1.) If you were to drop a ball, releasing it from rest, what information would b

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Question

1.) If you were to drop a ball, releasing it from rest, what information would be needed to predict how much time it would take for the ball to hit the ground? What assumptions must you make?

2.) If the ball in question 1 is traveling at a known horizontal velocity when it starts to fall, explain how you would calculate how far it will travel horizontally before it hits the ground.

3.) When an object passes through a photogate, it blocks the passage of light from one side to the other. The interface can accurately measure the duration of time that a gate is blocked. If you wanted to know the velocity of the objext, what additional information would you need?

Explanation / Answer

1. that planets gravity, how high up you are, the mass of the ball
Pe =mgh
Ke =1/2 mv^2

2. kinematics formulas I thought they were hard when I first learnt them but now they are probably the easiest thing I have done in physics you know acceleration is gravity you know initial and final speed so

v^2 =u^2 +2ad

3.distance it had to pass through speed =distance/time

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1.) If you were to drop a ball, releasing it from rest, what information would b

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