## What is the speed of the stone dropped off the cliff?

A stone was dropped off a cliff and hit the ground with a speed of 120 ft/s. What is the height of the cliff? Please log in or register to add a comment.

## How do you find the height of a rock on a cliff?

So the rock reaches the ground at time t = 3.73 sec. The position (height) of the stone can be find , by integrating the velocity. Apply integration on each side with t . When time t = 0 ,the height of stone is height of the cliff.

What is the motion of falling objects called?

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The motion of falling objects, as covered in Chapter 2.6 Problem-Solving Basics for One-Dimensional Kinematics, is a simple one-dimensional type of projectile motion in which there is no horizontal movement.

### What happens to the vertical velocity as an object rises?

(c) The velocity in the vertical direction begins to decrease as the object rises; at its highest point, the vertical velocity is zero. As the object falls towards the Earth again, the vertical velocity increases again in magnitude but points in the opposite direction to the initial vertical velocity.

### How do you find the height of a rock falling down?

Negative sign indicates that the stone is falling down. So the rock reaches the ground at time t = 3.73 sec. The position (height) of the stone can be find , by integrating the velocity. Apply integration on each side with t . When time t = 0 ,the height of stone is height of the cliff. is the height of cliff.

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What is the height of the stone when it reaches the ground?

So the rock reaches the ground at time t = 3.73 sec. The position (height) of the stone can be find , by integrating the velocity. Apply integration on each side with t . When time t = 0 ,the height of stone is height of the cliff. is the height of cliff. When the stone reaches the ground the , the height of the stone is 0.

## What is the initial velocity of a stone at time t?

The stone is freely falling , so the initial velocity of stone is 0 when t = 0. Therefore velocity of a stone at time t is . The velocity when it hits the ground is . Find the time when it reaches the ground. Negative sign indicates that the stone is falling down. So the rock reaches the ground at time t = 3.73 sec.