A 1.2 lead ball is launched off a cliff top at 16 m/s
Determine the balls kinetic energy at position P. Ignore friction
To determine the ball's kinetic energy at position P, we first need to understand the formula for kinetic energy. The formula is:
Kinetic energy (KE) = (1/2) * mass * velocity^2
Given:
Mass of the ball (m) = 1.2 kg
Velocity of the ball (v) = 16 m/s
We can now substitute these values into the formula to calculate the kinetic energy:
KE = (1/2) * mass * velocity^2
= (1/2) * 1.2 kg * (16 m/s)^2
Let's calculate it step by step:
Step 1: Calculate the square of the velocity
Velocity^2 = 16 m/s * 16 m/s
= 256 m^2/s^2
Step 2: Multiply the square of the velocity by the mass and divide it by 2
KE = (1/2) * 1.2 kg * 256 m^2/s^2
= 0.5 * 1.2 kg * 256 m^2/s^2
Step 3: Calculate the final result
KE = 307.2 Joules
Therefore, the ball's kinetic energy at position P is 307.2 Joules.