Question
A car is moving at 12m/s and has a mass of 600 kg. What is the kinetic energy of the car? (Formula: KE=(1)/(2)mv^2) 36,300 J 43,200 J 72,600 J 86,400 J
Answer
4.5
(242 Votes)
Lora
Professional · Tutor for 6 years
Answer
B.
Explanation
1. The kinetic energy (KE) of an object is given by the formula
, where
is the mass of the object and
is its velocity.2. Plugging in the given values,
kg and
m/s, we get: \(KE = \frac{1}{2} \times 600 \text{ kg} \times (12 \text{ m/s})^2\)3. Calculating the above expression, we get
4.
5.
J.