Yes, provided that the acceleration contains components that are parallel to and inversely proportional to the velocity.
Explaining an accelerationAcceleration describes the speed and direction changes in velocity over time. Acceleration refers to the change in speed or direction of an item or point traveling straight forward. Due to the frequent changes in direction, motion on a circle accelerates even while the speed stays the same.
What are the 3 different forms of acceleration?The three different categories of accelerated movements are uniform acceleration, non-uniform acceleration, and average acceleration. When an object moves in a straight path while experiencing equal-interval increases in velocity, this motion is referred to as having uniform acceleration.
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Three identical reservoirs, A,B, and C, are represented above, each with a small pipe where water exits horizontally. The pipes are set at the same height above a pool of water. The water in the reservoirs is kept at the levels shown. Which of the following correctly ranks the horizontal distances d that the streams of water travel before hitting the surface of the pool? (A) dA > dB > dC
(B) dA = dB = dCâ
(C) (dA = dB) > dC
â (D) dC > dB > dA
Correctly ranks the horizontal distances d that the streams of water travel before hitting the surface of the pool is (A) i.e. dA > dB > dC
The horizontal distances that a stream of water travels before hitting the surface of the pool is determined by the height of the water in the reservoir and the height of the pipe above the pool. The higher the water level in the reservoir, the greater the downward force on the water and the greater the horizontal distance that the water will travel. The higher the pipe is above the pool, the less distance the water has to fall and the shorter the horizontal distance that the water will travel. Correct ranking of the horizontal distances d that the streams of water travel before hitting the surface of the pool. Reservoir A has the highest water level, followed by reservoir B, and then reservoir C. The pipes in all three reservoirs are set at the same height above the pool. Therefore, the stream of water from reservoir A will have the greatest downward force and will travel the greatest horizontal distance before hitting the pool. The stream of water from reservoir B will have a lesser downward force and will travel a shorter horizontal distance before hitting the pool. The stream of water from reservoir C will have the least downward force and will travel the shortest horizontal distance before hitting the pool.
Therefore, the correct ranking is (A) dA > dB > dC.
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Write the equation for the velocity component in the y-direction?
Answer:
The equation for the velocity component in the y-direction is : vy (t)= v(0)Sinθ - gt
As a person breathes, during the inhale part of the cycle air moves down the windpipe (bronchus) and through a constriction where the air speed doubles. If the air is traveling 46 cm/s before the constriction and we treat air as an incompressible fluid, determine the pressure drop in the constriction. Use the density of air as 1.29 kg/m3. in Pa
If the air is traveling 46 cm/s before the constriction and we treat air as an incompressible fluid, the pressure drop in the constriction is 106.8 Pa.
If we treat air as an incompressible fluid, the pressure drop in the constriction can be determined using Bernoulli’s equation. Bernoulli’s equation states that the sum of the pressure, kinetic energy, and potential energy of a fluid stream is constant.
The equation can be expressed as:
P1 + (1/2)ρv12 + ρgh1 = P2 + (1/2)ρv22 + ρgh2
Where P1 and P2 are the pressures before and after the constriction, ρ is the density of the fluid, v1 and v2 are the velocities before and after the constriction, g is the acceleration due to gravity, and h1 and h2 are the heights before and after the constriction.
Given that the air velocity before the constriction is 46 cm/s and the density of air is 1.29 kg/m3, we can calculate the pressure drop in the constriction as follows:
P1 + (1/2)*(1.29 kg/m3)*(46 cm/s)2 + (1.29 kg/m3)*(9.8 m/s2)*h1 = P2 + (1/2)*(1.29 kg/m3)*(92 cm/s)2 + (1.29 kg/m3)*(9.8 m/s2)*h2
Since h1 and h2 are equal and the acceleration due to gravity is constant, we can simplify the equation to:
P1 + (1/2)*(1.29 kg/m3)*(46 cm/s)2 = P2 + (1/2)*(1.29 kg/m3)*(92 cm/s)2
Substituting the given numerical values, we get
P1 + (1/2)*(1.29 kg/m3)*(46 cm/s)2 = P2 + (1/2)*(1.29 kg/m3)*(92 cm/s)2
P1 + 35.6 Pa = P2 + 142.4 Pa
Therefore, the pressure drop in the constriction is 106.8 Pa.
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Newton’s third law of motion on a flying chair swing ride
Answer:
Newton's third law of motion states that for every action, there is an equal and opposite reaction. This means that whenever one object exerts a force on another object, the second object exerts an equal and opposite force back on the first object.
On a flying chair swing ride, the forces of action and reaction are at play as the ride moves. When the ride accelerates and lifts off the ground, the force of gravity is pulling the chairs downward, while the force of the ride's propulsion is pushing the chairs upward. These two forces are equal and opposite, and they balance each other out, causing the ride to lift off the ground and rise into the air.
As the ride moves through the air, the chairs continue to experience the forces of action and reaction. For example, as the ride turns, the chairs experience a force pushing them outward, while the ride's structure experiences an equal and opposite force pushing inward.
Overall, Newton's third law of motion is at work throughout the entire ride, as the forces of action and reaction balance each other out and allow the ride to move smoothly through the air.
A swimmer, capable of swimming at a speed of 1.4 m/s in still water (i.e., the swimmer can swim with a speed of 1.4 m/s relative to the water), starts to swim directly across a 2.8-km-wide river. However, the current is 0.91 m/s, and it carries the swimmer downstream. (a) How long does it take the swimmer to cross the river?
(b) How far downstream will the swimmer be upon reaching the other side of the river?
(a) The swimmer needs 3000 seconds before take a bath across that whole river.
(b) D = 2730 meters, which represents how far downstream the swimmer will be when they cross the river.
What does the term "downstream" mean?Two miles downstream, in the course of or closer to the entrance of a stream drifting downstream. in or around the end of a typical industrial process and the stages after fabrication that increase earnings for downstream products.
What is a river's downstream?Downstream It is referred to as downstream if somehow the boat is moving downwards of the stream. The downstream speed in this situation refers to the boat's net speed. In this situation, still water is seen as being immobile.
Briefing:Time = ?
d / v = t
3000 m / 1.0 m/s
T = 3000 s
Distance = ?
t * v = d
3000 s * 0.91 m/s
D = 2730 m
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A 75 kg man falls off his ladder and hangs motionless from the ceiling by a cord. Determine the net force on the man. (don't forget units)
PLEASE HELPP
The net force on the 75 kg man who falls off his ladder and hangs motionless from the ceiling by a cord is zero.
What is the weight of a body?The weight of a body is the force of gravity acting on the body. The weight of a body acts downward.
Mathematically, the weight of a body is given below as follows:
Weight = m * g
where;
m is the mass of the object
g is the acceleration due to gravity = 10 m/s²
The weight or the force of gravity acting downwards on a 75 kg man that falls off his ladder and hangs motionless from the ceiling by a cord is calculated as follows:
The force of gravity = 75 * 10
The force of gravity = 750 N
The tension on the cord balances the weight of the man and acts in the opposite direction.
Hence, the tension on the cord is equal to 750 N but in the opposite direction.
Net force = weight - tension
Net force = 750 N - 750 N
Net force = 0 N
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Which of the following statements is not true of tornadoes?
a. usually occur along the warm front of a midlatitude cyclone
b. occur most frequently in the spring of the year
c. most common in the Midwest and Great Plains
d. generally move from the southwest toward the northeast
e. associated with cumulonimbus clouds
The comments below about tornadoes are untrue; they do not typically occur near the warm front associated with a midlatitude cyclone.
Which of these three tornado kinds are they?There are several different kinds of tornadoes, such as multiple vortex tornadoes, landspouts, and waterspouts. Waterspouts as characterized by a wind current that spirals into the shape of a funnel and connects to a sizable cumulus of cumulonimbus cloud.
what is The causes of tornadoes?Warm, humid air rises inside thunderclouds while chilly air descends, bringing with it rain or hail and rain. Air currents within the cloud may spin as a result of these circumstances. Despite their initial horizontal orientation, the whirling currents have the ability to change vertical, drop from the cloud, and eventually form a tornado.
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a(n) 79 kg person is parachuting and experiencing a downward acceleration of 2.7 m/s2. the mass of the parachute is 4.9 kg.
79 kg person is parachuting and experience a down acceleration of 2.7 m/s2. This is slightly different from the downward acceleration of 2.7 m/s2, which suggests that there are additional forces acting.
The downward force acting on the person while they are parachuting is equal to the person's mass multiplied by the acceleration due to gravity (9.8 m/s2). This can be expressed mathematically as:
= F
= ma
= 79 kg x 9.8 m/s2
= 774.2 N
The mass of the parachute also contributes to the downward force acting on the person. The total downward force acting on the person is equal to the sum of the forces acting on the person and the parachute. This can be expressed mathematically as:
= F total
= F person + F parachute
= 774.2 N + (4.9 kg x 9.8 m/s2)
= 783.54 N
The acceleration of the person and parachute system is equal to the total downward force acting on the system divided by the total mass of the system. This can be expressed mathematically as:
= a
= F total / m total
= 783.54 N / (79 kg + 4.9 kg)
= 7.96 m/s2
Therefore, the acceleration of the person and parachute system is 7.96 m/s2. This is slightly different from the downward acceleration of 2.7 m/s2 that the person is experiencing, which suggests that there are additional forces acting on the system besides the downward force of gravity.
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a plane files from point a to point b. b is 1207 km west 957 km south a. sketch a picture of this situation. what is the total displacement of the plane
The closest distance and angle to this question are 1540.35 kilometers and 38.4 ° S. (depending on how you rounded).
What is Displacement and distance are they equivalent?There is a common misconception that distance & displacement are simply two different terms for the same thing. But separation separates the concepts of distance and displacement. The total distance covered by an object is always larger than the movement between those two sites, even if it changes direction throughout the course of its voyage.
The displacement is which one, which?The smallest (straight line) length between a body's starting position and its final location—represented by an arrow pointing from starting spot to final position—is referred to as a brain's displacement when it moves through one position to another.
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3. Jack is 10 years old but he scored a mental age of 8 years old on his IQ test. Using the Terman formula, what would Jack's IQ score be?
50
20
80
100
Answer:
If Jack is 10 years old and scored a mental age of 8 years old on his IQ test, his IQ score would be 80 using the Terman formula. The Terman formula is commonly used to calculate IQ scores based on the ratio of an individual's mental age to their chronological age. In this case, Jack's mental age is 8 and his chronological age is 10, so his IQ score would be calculated as follows:
IQ = (MA / CA) * 100
= (8 / 10) * 100
= 0.8 * 100
= 80
This means that Jack's cognitive abilities are at the level of an average 8-year-old, even though he is actually 10 years old. His IQ score of 80 falls within the average range of IQ scores, which is typically considered to be between 90 and 110.
The drawings show three examples of the force with which someone pushes against a vertical wall. In each case the magnitude of the pushing force is the same. Rank the normal forces that the wall applies to the pusher in ascending order (smallest first).1st drawing is a medium angle2nd drawing is a small angle3rd drawing is a large angle (almost 90 degrees and perpendicular to the wall)
The normal forces that the wall applies to the pusher in ascending order are :Normal force in the third drawing (large angle),Normal force in the first drawing (medium angle),Normal force in the second drawing (small angle).
The normal force is the force that an object exerts on another object that is in contact with it. In the case of a person pushing against a wall, the normal force is the force that the wall applies to the person.
The magnitude of the normal force is determined by the angle at which the person is pushing against the wall. For a given magnitude of the pushing force, the normal force will be smaller when the angle is larger and larger when the angle is smaller.
In the first drawing, the angle is medium, so the normal force will be between the normal force in the second and third drawings.
In the second drawing, the angle is small, so the normal force will be larger than the normal force in the first drawing and smaller than the normal force in the third drawing.
In the third drawing, the angle is large, so the normal force will be the smallest of the three.
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