A 1690 kg car travels at a speed of 13.5 m/s. What is its kinetic energy? Assume that air resistance is negligible.

Question

A 1690 kg car travels at a speed of 13.5 m/s. What is its kinetic energy? Assume that air resistance is negligible.

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Solution

To calculate the kinetic energy of the car, we can use the formula for kinetic energy which is KE = 1/2 * m * v^2, where m is the mass of the car and v is its speed.

Step 1: Identify the mass (m) and the speed (v). In this case, m = 1690 kg and v = 13.5 m/s.

Step 2: Substitute the values into the formula. So, KE = 1/2 * 1690 kg * (13.5 m/s)^2.

Step 3: Calculate the kinetic energy.

KE = 0.5 * 1690 kg * (13.5 m/s)^2 = 0.5 * 1690 kg * 182.25 m^2/s^2 = 154,051.25 Joules.

So, the kinetic energy of the car is 154,051.25 Joules.

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A 1690 kg car travels at a speed of 13.5 m/s. What is its kinetic energy? Assume that air resistance is negligible.

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