Could I get some help with this

Answer:

t = 8.82 minutes

Explanation:

The average speed of an object is given bu the total distance covered divided by total time taken.

The average speed of a kid is 6.8 mi/h

Let t is the time taken by this kid to run a mile, d = 1 mile

[tex]v=\dfrac{d}{t}\\\\t=\dfrac{d}{v}\\\\t=\dfrac{1\ \text{miles}}{6.8\ \text{mi/h}}\\\\t=0.147\ \text{hour}[/tex]

or

t = 8.82 minutes

So, it will take 8.82 minutes to run a mile.

Answer: Examples are --- Water and oil , nails and sand  and are called Heterogeneous mixtures ,

Explanation:

A mixture is a combination of  two or more substances without a  chemical reaction which individual  components having retain their properties, We have two types of mixtures

Homogeneous-- Is a mixture, whether solid liquid or gas that contains proportions in such a way that one can hardly identify  each components by looking eg --air, ink etc

Heterogeneous- Is a mixture in which the physical properties of individual components are maintained  eg --- Rice and beans , water and oil, nails and sand.

Answer: Construction management, Architecture, Civil Drafting.

Explanation: hope this helps :)

Construction Management, Architecture and Civil Drafting are careers typically require post-secondary education other than vocational school. So, the correct options are B, C and E.

Career is defined as a person's metaphorical "journey" through learning, work and other aspects of life where there are many ways to define career and the term is used in different ways.

A career is defined as the variety of experiences that we have had throughout our lives. As we gain more experience in the world of work and life, we build careers. We take into account career paths education, training and paid or unpaid work. Construction Management, Architecture and Civil Drafting are careers typically require post-secondary education other than vocational school.

Therefore, the correct options are B, C and E.

Learn more about Career, here:

https://brainly.com/question/30040900

#SPJ6

Explanation:

The velocity vs time graph is linear from 0s to 2s, so the acceleration is constant.

Answer:

1.c

2.b

3.d

4.a

Explanation:

There are your answers

Answer:

Sodium---Malleable, soft, and shiny

Silicon---Has properties of both metals and nonmetals

Bromine---Highly reactive gas

Argon---Nonreactive gas

Answer:derp

Explanation:

Answer:

The velocity of the motorboat after 6s is 24 m/s.

Explanation:

Given;

acceleration of the motorboat, a = 4.0 m/s²

initial velocity of the motorboat, u = 0

time of motion of the motorboat = 6s

Apply the following kinematic equation to determine the velocity of the motorboat after 6 ;

v = u + at

v = 0 + (4 x 6)

v = 24 m/s

Therefore, the velocity of the motorboat after 6s is 24 m/s.

Answer:

W

Explanation:

its the longest period of time

Answer:

b) G.P.E = Mgh

300j = M x 10 m/s² x 15 m

300 j/ 10 m/s² x 15 m = M

300j/ 150 s² = M

2kg = M

c) K.E = 1/2 m v²

K.E = 1/2 (50) (50)²

K.E = 1/2 (50) (2500)

K.E= 125000/2

K.E = 625 000 J

Answer:

The primary reason of seeing the cracker burst and hearing the sound later is because the speed of sound and light. Speed of light is in the vicinity of 3*10^8m,/ sec while the speed of sound is at a distance of 332m/sec. It is similar to lightning that strikes before the sound.

hope this helped you

please mark as the brainliest (ㆁωㆁ)(ㆁωㆁ)

Answer:

299 792 kilometers

Explanation:

Answer:

Weight on Earth = We = 186.2 N

Weight on Mars = Wm = 70.94 N

Explanation:

The weight of an object is defined as the force applied on the object by the gravitational field. The magnitude of weight is given by the following formula:

W = mg

were,

W= Weight of Eric

m = mass of Eric

g = acceleration due to gravity

ON EARTH:

W = We = Eric's Weight on Earth = ?

m = Eric's Mass on Earth = 19 kg

ge = acceleration due to gravity on Earth = 9.8 m/s²

Therefore,

We = (19 kg)(9.8 m/s²)

We = 186.2 N

ON MARS:

W = Wm = Eric's Weight on Mars = ?

m = Eric's Mass on Mars = 19 kg

gm = acceleration due to gravity on Mars = 0.381(ge) = (0.381)9.8 m/s² = 3.733 m/s²

Therefore,

Wm = (19 kg)(3.733 m/s²)

Wm = 70.94 N

Answer:

answer is d.

Explanation:

are you going to mark me  brainlinessist

Answer:2.5s

Explanation:

Idk I guessed and got it right

Friction is the force that exists between two surfaces that are sliding or attempting to slide across each other.

The acceleration produced by the friction of water is a = [tex]-10 m/s^2[/tex]

The boat takes 2.5 seconds to slow down.

 The equation that rules the change of velocities is:

[tex]V = V _0 + at[/tex]

Where:

a   = acceleration

Vo = initial speed

v = final speed

t    = time

The acceleration produced by the friction of water is a = [tex]-10 m/s^2[/tex] and the boat is initially traveling at v=30 m/s. When the motor is shut off, the boat will start braking until it stops. We need to find the time it takes to ready the final speed of v=5 m/s.

t = [tex]\frac{V - V_0 }{a}[/tex] = -5-30 /10 = 2.5 s.

The boat takes 2.5 seconds to slow down.

To learn more about : Friction

Ref : https://brainly.com/question/20358755

#SPJ2

Correct answer is A. A bicyclist turning around the corner

Acceleration can mean a change in direction, speeding up, or slowing down.

B. Is traveling south and doesn’t change direction.

C. Is traveling north and at a constant speed.

D. Is not even moving.

Answer:

A

Explanation:

i took the test and got it right!!

Answer:Distance and displacement

Explanation:

Yes you can, with using scientific experiment.

Ask a question -- Do background Research -- Construct a Hypothesis --Test with an Experiment -- Procedure working? -- Yes or no? -- Analyze Data and Draw Conclusions

With an experiment you can discover if its correct or not.

Hope this helps ! <3

Answer:TRUE

Explanation:

It’s counts as moving around so yes exercise

Answer:

7.5 minutes (you mean hours)

t = 7.5 min (if it was actually not hours than put minutes just letting u know.)

Explanation:

The first thing you have to do is know the equation; it is t = d/s, which is time = distance divided by speed. Know fill in the equation, now it will be t = 750 km/100 km/ hr ( in this min). If you divide it, then the answer will be t = 7.5 min (which it has to be hours instead of min because hours makes more sense than minutes.)

The car will take 7.5 hours to cover a distance of 750km.

Speed ​​is defined as the rate over time at which an object is moving along a path, while velocity is defined as the rate and direction of motion of an object. Speed is a scalar quantity as it has only magnitude, no direction but Velocity is a vector quantity as it has both magnitude as well as direction.

Speed can be expressed as:

Speed= Distance travelled/ Time taken

Velocity can be expressed as:

Velocity= Displacement travelled/ Time taken

Both the quantities are expressed as meter per second (m/s).

If the two values are given , we can calculate the another value like in the above given information, speed of the car = 100km/hr and distance travelled by the car= 750 km.

So, Time taken= 750/100 = 7.5 hours

Thus, the car will take 7.5 hours to cover a distance of 750km.

Learn more about Speed and velocity, here:

https://brainly.com/question/15973714

#SPJ2

Explanation:

This problem is on the motion of a car.

given data.

acceleration a=7.55m/s

time t= 4.25 sec

1. Determine the final velocity of the car.

we know that

acceleration= velocity/time

substituting our given data we have

7.55= v/4.25

v=7.55*4.25

v=32.08m/s

2.  calculate the cars displacement.

we also know that

velocity= distance/time

distance= velocity*time

distance= 32.04*4.25

distance= 136.37m

Answer:

Explanation:

a= (2.3 m/s) / (3.0s) = 0.77 m/s2F= ma20.0 N = m (0.77 m/s2)m = 26 kgForce is measured with?Newtons (N) --> 1 N = 1 kg m/s2

Answer:sir Isaac Newton is known as the father of physics.

Explanation:

Answer:

D

Explanation:

study island. first answer is wrong

The average daily number of sunspots will increase throughout 1945. therefore the correct answer is option D.

It is a system in which the sun's gravitational attraction causes all the planets and celestial bodies to revolve around it.

As specified in the issue statement On the surface of the Sun are spots known as sunspots. Increased sunspots imply that the Sun is more active and is producing more energy since they are a sign of strong magnetic fields.

The average daily number of sunspots from 1900 to 1944 is shown in the graph below. The average for each data point is for one month.

The graph's sequence of peaks and valleys should be noted. A solar cycle is the period of time from one minimum (trough) to the next. Solar cycles can last from nine to fourteen years.

Thus, The average daily number of sunspots will increase throughout 1945, therefore the correct answer is option D.

Learn more about Solar systems from here.

brainly.com/question/12075871

#SPJ2

Explanation:

Newton's second law:

F = ma

5500 N = (2000 kg) a

a = 2.75 m/s²

Answer:

não sei.................

One fifth of the difference between a number and one is given to us in this line. This must be written as an algebraic expression. Now that this number is expressed as a letter x difference.

Thus, a number that is 5 more than x is equal to x+5. As a result, “5 more than a number” is represented by the algebraic expression “x+5”. The right response is therefore “x+5”.

We don't know what the value of the variable x is, but it can have any value. Since it is a constant number that is utilized with the variable term and is clearly defined, 5 is referred to as the coefficient of x.

Therefore, It can be calculated as 1, divided by 5, multiplied by the entity that is present. For the response to the query is 1 multiplied by x, minus 1, multiplied by 5 divided by 1.

Learn more about algebraic expression here:

https://brainly.com/question/953809

#SPJ2

Answer:

1.2m = 1200 mm

Explanation:

The answer is looks easy, but 1 Meter (m) is equal to 1000 millimeters (mm). To convert meters to mm, multiply the meter value by 1000.