PHYSICS MIDDLE SCHOOL

What is the speed of an arrow that takes 1.25 seconds to hit a target 75
meters away?

Answers

Answer 1
Answer:

Answer:

60m/s

Explanation:

v=s÷t

75m÷1.25s=60m/s
Answer 2
Answer:

Answer

60

Explanation:

This is because if the question gives you the distance and the time, you have to find the speed.

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Answers

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When energy (heat) is added to matter the molecules (particles) move _______ and farther ______.

Answers

Answer:

energy

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The answer is energy!!!!

if a cat is running at a constant speed of 10km/h for 5 s, what is its average speed and what is its instantaneous speed at 4 s?

Answers

Here a cat is running at constant speed which is given as 10 km/h for  5s

So here the average speed is defined as total distance moved in total time interval

so here it is given by

v_(avg) = (distance)/(time)

since

here speed of cat is constant so it will remain the same

And hence the average speed and instantaneous speed at any instant for this duration will remain the same

so here answer would be

average speed = 10 km/h

instantaneous speed = 10 km/h
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