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Ivenika [448]
3 years ago
12

25 points! Please someone help me, this seems like a pretty easy question but I can’t seem to get it right, please list the give

ns and make some sort of diagram so I can understand. I will give brainliest !!!!!
1. Draw the diagram

2. List the Givens

3. Select the correct equation to solve for and manipulate the equation

4. Substitute the given values


A ball is thrown horizontally from the roof of a building 60 m tall with a speed of

6.9 m/s.

a.How much later does the ball hit the ground?

b. How far from the building will it land?

c. What is the velocity of the ball just before it hits the ground?
Physics
1 answer:
elixir [45]3 years ago
4 0

Answer:

1 my brother say that

Explanation:

i know my brother said it

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When a rocket is traveling toward a mountain at 100 m/s, the sound waves from this rocket's engine approach the mountain at spee
Charra [1.4K]

Answer:

The correct option is C

Explanation:

From the question we are told that

  The initial speed of the rocket is  v_i = 100 m/s

    The speed of the rocket engine sound is V

    The final speed of the rocket is  v_f = 200 \ m/s

The speed of the sound at v_f would still remain V this because the speed of sound wave is constant and is not dependent on the speed of the observer(The mountain ) or the speed of the source (The rocket ).

  A clear example when  lightning strikes you will first see (that is because it travels at  the speed of light which is greater than the speed of sound) but it would take some time before you hear the sound of the   lightning

Here we see that the speed of the lightning(speed of sound) does not affect the speed of the sound it generates  

3 0
3 years ago
We use towels to dry our body after taking a shower,why?<br><br>​
9966 [12]

Answer:

A wet body has a relatively high concentration of water. When this is transferred to a towel, the large surface area of the towel fabric distributes the water molecules over a much greater surface area, so the relative concentration is lower.

3 0
2 years ago
If Petrol diesel etc catches fire one should never try to extinguish in using water why?​
FrozenT [24]

Answer:

because both petrol and diesel are oil

Explanation:

oil floats on water that's why if we will try to extinguish with water so the fire will float on <u>water</u>

<u>hope</u><u> </u><u>u</u><u> </u><u>like</u><u> </u><u>my</u><u> </u><u>ans</u><u>wer</u><u> </u>

<u>pl</u><u>ease</u><u> </u><u>mar</u><u>k</u><u> </u><u>methe</u><u> </u><u>brainest</u>

7 0
3 years ago
A bicycle is ridden along a horizontal road with a driving force of 400, n,400n. its speed is constant at 12, m, slash, s,12m/s.
mr_godi [17]

The magnitude of the sum of the frictional forces acting on the bike and its rider is 400N.

<h3>What is friction force?</h3>

The friction force is the opposing force which acts on the object which is in relative motion.

The driving force is equal and opposite to the friction force acting between road and bicycle.

Friction force = 400N

The friction force between rider and bike is zero.

So the magnitude of sum of friction force = 400N +0 = 400N

Thus, the magnitude of the sum of the frictional forces acting on the bike and its rider.

Learn more about friction force.

brainly.com/question/1714663

#SPJ1

4 0
1 year ago
20 POINTS!!!
hram777 [196]
I think its inductance. If its not then I think its none of the above
5 0
3 years ago
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