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Forces of inertia
Please help I'll mark brainliest
explain what is the function of energy in the body and discuss internal and external body funcutions which energy is needed for
Answer:
Energy fuels your body's internal functions, repairs, builds and maintains cells and body tissues, and supports the external activities that enable you to interact with the physical world. Water, your body's most important nutrient, helps facilitate the chemical reactions that produce energy from food.
Why is carbon-14 the best element to use for dating things?
Answer:
the radioactivity of carbon-14 DECAYS BY HALF.
Explanation:
Hai quả cầu nhỏ hoàn toàn giống nhau, mang điện tích q1, q2 đặt trong chân không cách nhau 20cm thì hút nhau F = 5×10^-5. đặt vào giữa hai quả cầu tấm thủy tinh dày 5 cm có hằng số điện môi là 4. tính lực tác dụng giữa hai quả cầu
Answer:
Hai quả cầu nhỏ hoàn toàn giống nhau, mang điện tích q1, q2 đặt trong chân không cách nhau 20cm thì hút nhau F = 5×10^-5. đặt vào giữa hai quả cầu tấm thủy tinh dày 5 cm có hằng số điện môi là 4. tính lực tác dụng giữa hai quả cầu
Position vs. Time
30
20
10
Position (m)
10
- 20
- 30
o
10 20
30
40 50
Time (s)
60
70
6. Use the graph above to answer Question 6:
The graph represents the motion of a car moving linearly. When is the car
moving backwards?
A. Os to 10 s
B. 20 s to 40 s
C. 40 s to 50 s
D. 50 s to 60 s
Answer:
D
Explanation:
cause the slope works with going up or down
Hai hạt bụi trong không khí cách nhau 3cm mỗi hạt mang điện tích -9,6.10 mũ -13C. A )Tính lực đẩy tĩnh điện giữa hai hạt
B ) tính số electrong dư trong mỗi hạt bụi biết diện tích củ mỗi electrong -1,6.10 mũ -19C
Answer:b
Explanation:
A bicyclist brakes from 21.7 m/s to a stop in 32.3 m.
What is the acceleration of the bicyclist?
How much time does it take for the bicyclist to stop?
What is the bicyclist’s average speed?
The acceleration of the bicycle during the motion before stopping is 7.29 m/s².
The time taken for the bicycle to stop is 2.98 s.
The average speed of the bicycle is 10.83 m/s.
The given parameters;
initial velocity of the bicycle, u = 21.7 m/sdistance traveled by the bicycle, s = 32.3 mThe acceleration of the bicycle is calculated ad follows;
v² = u² + 2as
where;
v is the final velocity of the bicycle after stopping = 0
0 = u² + 2as
-2as = u²
[tex]a = -\frac{u^2}{2s} \\\\a = \frac{(21.7)^2}{2\times 32.3} \\\\a = -7.29 \ m/^2\\\\|a| = 7.29 \ m/s^2[/tex]
The time taken for the bicycle to stop is calculated as;
v = u + at
0 = 21.7 - 7.29t
7.29t = 21.7
[tex]t = \frac{21.7}{7.29} \\\\t = 2.98 \ s[/tex]
The average speed of the bicycle is calculated as;
[tex]v = \frac{totla \ distance}{total \ time} \\\\v = \frac{32.3}{2.98} \\\\v = 10.83 \ m/s[/tex]
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What is an uncharged body? In physics (simple words)
An uncharged body is a body that has equal magnitude of positive as well as negative charge on it. So as soon as some charged body is placed near it, the charged body induces negative charges on the uncharged body.
PLZZZZZZ Help Due tmr
I need the right answer ASAP NO LINKS!!!
The first one!
Hope this helps pls mark as brainliest :)
Answer:
Models change to accommodate new discoveries.
Explanation:
Scientific models are based on current scientific knowledge. This means that when new discoveries are made they are subject to change.
What would the position-time graph look like for an object that remains still over time?(1 point)
A. a horizontal line
B. an upward curve
C.an increasing line
D. a decreasing line
Plz Helppp. I need it ASAP
Answer:
a
Explanation:
it would be horizontal
The position-time graph look like A. a horizontal line for an object that remains still over time.
A position-time graph shows how far an object has moved from its starting point at any given time since it started moving. The slope of a position graph shows the velocity of an object.
The position-time graph looks like a horizontal line for an object that remains still over time.
Option A. is correct.
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What important scientific advance made bacteria less dangerous to humans
Answer:
bacteria like
virus
A circus performer juggling while standing on 10 a tightrope suspended 15.0 m above the ground tosses a sword directly upward into the air with a speed of 5.0 m/s. If the sword leaves his hand 1.0 m above the tightrope, what is the sword's maximum height above the ground? Round your answer to the nearest tenth
The sword's maximum height above the ground rounded to the nearest tenth is 122.49m
In order to get the maximum height of the rope above the ground, we will use the formula for calculating the range;
[tex]R=u\sqrt{\frac{2H}{g} }[/tex]
Given the following parameters:
speed u = 5.0m/s
H is the maximum height
g is the acceleration due to gravity = 9.8m/s
R is the range = 15.0m
Substitute the given parameters into the formula to have:
[tex]15=5\sqrt{\frac{2H}{9.8} }\\\frac{15}{3}=\sqrt{0.2041H} \\5^2 = 0.2041H\\H = \frac{25}{0.2041}\\H= 122.48m[/tex]
Hence the sword's maximum height above the ground rounded to the nearest tenth is 122.49m
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A 0.12 kg object makes an elastic head-on collision with a 0.18 kg stationary object. The final velocity of the 0.12 kg object after the collision is 0.048 m/s in the direction opposite its initial movement. The final velocity of the 0.18 kg object after the collision is 0.19 m/s in the same direction as the object which strikes it. What was the initial velocity of the 0.12 kg object?
Answer:
0.12kg / 0.19
Explanation:
Becase the volcity reuded
The final velocity of the 0.18 kg object after the collision is 0.19 m/s in the same direction as the object which strikes it, then the initial velocity of the 0.12 kg object would be 0.237 m / s .
What is momentum?It can be defined as the product of the mass and the speed of the particle, it represents the combined effect of mass and the speed of any particle, and the momentum of any particle is expressed in Kg m/s unit.
As given in the problem, a 0.12 kg object makes an elastic head-on collision with a 0.18 kg stationary object. The final velocity of the 0.12 kg object after the collision is 0.048 m/s in the direction opposite its initial movement. The final velocity of the 0.18 kg object after the collision is 0.19 m/s in the same direction as the object which strikes it.
By using the conservation of the momentum,
v × 0.12 + 0 × 0.18 = ( - 0.048)× 0.12 + 0.19 × 0.18
v = 0.237 m / s
Thus, the initial velocity of the 0.12 kg object would be 0.237 m / s .
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9.) Why would a pendulum swing faster or slower on different planets?
State whether these questions are true or false.
Q1) Distance formula is displacement/time T/F?
Q2)velocity formula is = displacement/time T/F?
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The given statements are :
Q1) Distance formula is displacement/time T/F?
- False
Q2)velocity formula is = displacement/time T/F?
- True
Help asap please thank you
Answer:
the answer its time
v = d/t
Answer:distance
Explanation:
Speed is __________ velocity.
a) The same as
b) The absolute value of
c) The negative of
d) The rate of change of
Answer:
Speed is the rate of change of velocity.
Explanation:
Speed is the time rate at which an object is moving along a path, while velocity is the rate and direction of an object's movement. Put another way, speed is a scalar value, while velocity is a vector. Speed is just describing how fast the motion is compared to velocity.
Hope this helps :)
What is a common disease caused by a fungus?
A.
common cold
B.
HIV/AIDs
C.
athlete's foot
D.
pneumonia
What is the acceleration of a Ford Mustang GT that can go from 0.00 to 27.8
m/s in 5.15 seconds?
Why do atoms
have no electric charge even though most of
rticles have charges?
im confused on number two can u help me through it
Hi there!
We can solve this in two ways, using the Work-Energy theorem or kinematics.
Work-Energy:
We know that:
Ei = Ef, as long as there are no external forces working on the system.
Thus:
Ei = PE = mgh
Ef = KE = 1/2mv²
Therefore:
mgh = 1/2mv²
We can cancel out the mass:
gh = 1/2v²
9.8(10) = 1/2v²
√196 = v = 14 m/s
We can also solve using kinematics, using the equation:
vf² = vi² + 2ad
From rest (vi = 0 m/s) and a = g, so:
vf² = 2gd
vf = √2gh
vf = √(2 × 9.8 × 10) = 14 m/s
Please help fast!!!!
As Al pine jumps off the end of a ski jump he has an initial velocity of 13m/s
A) how high will he be 2 sec after he jumps
B) at what other time will he be as high as he is in part(a)
C) at 2 sec was Al going up or down? Explain your reasoning
D) when is he again at the height of the skip jump?
E) Al spends a total of 5.2 seconds in the air. How far below the end of the skip jump is the ground
Answer:
(Hope this helps can I pls have brainlist (crown)☺️)
Explanation:
In pic
Cuales son las propiedades de los materiales semiconductores de electricidad?
Answer:En general, los semiconductores son materiales, inorgánicos u orgánicos, que tienen la capacidad de controlar su conducción dependiendo de ...
Explanation:
I want you to.......
Explain the Michelson-Morley experiment.
And please explain the equations.
Please ☺️❤️
Answer:
Michelson reasoned that, if the speed of light were constant with respect to the proposed ether through which Earth was moving, that motion could be detected by comparing the speed of light in the direction of Earth's motion and the speed of light at right angles to Earth's motion.
Which electromagnetic waves which electromagnetic waves have the highest frequencies in the electromagnetic spectrum?
OA.
gamma rays
B.
microwaves
O C.
radio waves
OD.
ultraviolet radiation
Answer:
gamma rays
Explanation:
A toy car is pushed off a 1.2 meter tall table and lands 3 meters from the base of the table.
A. What was the initial horizontal velocity of the toy car?
B. How long did it take the toy car to hit the ground?
HOPE IT HELPS YOU
CAN YOU BRAINLEST ME
Answer:
w
Explanation:
w
ph
what’s the correct choice?
help!!
Answer:
I think it's protons as they're positive!!
If you spill household bleach on denim jeans, you will observe that the area of the spill no
longer has a blue color. Is this change chemical or physical? Give a reason for your
answer.
Answer: chemical change.
Explanation: Because the bleach has caused the denim to change color, the change is likely to be a chemical change.
The change that occurs when household bleach is spilled on denim jeans is a chemical change.
A physical change is a change in the form of a substance, but not in its chemical composition. For example, if you melt a piece of ice, you have made a physical change because the ice has changed from a solid to a liquid, but the chemical composition of the ice has not changed.
A chemical change is a change in the chemical composition of a substance. This means that the atoms in the substance are rearranged to form new substances. For example, when household bleach is spilled on denim jeans, the bleach reacts with the indigo dye in the jeans to form a new substance that is colorless.
In the case of household bleach on denim jeans, the bleach reacts with the indigo dye in the jeans to form a new substance that is colorless. This is a chemical change because the chemical composition of the indigo dye has been changed. The color change is a clear indication that a chemical change has occurred. When the bleach reacts with the indigo dye, the bonds between the atoms in the indigo dye are broken and new bonds are formed. This results in the formation of a new substance that is colorless.
To know more about the Chemical, here
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1. A cross country skier averages 3.2 m/s over 9.1 km. How long did the skier's trip
take?
Answer:
your answer is 12.3
Explanation:
hope it helps : )