Question

A car is moving at a speed of 55 km/h. is it possible to calculate the car's kinetic energy on this information? 1 no. we also need to know the car's mass 2 yes. kinetic energy is equal to half of the square of the car's speed 3no. we also need to know the direction motion of the car 4. yes. kinetic energy is equal to the square of the car's speed​

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Answer 1

the answer is 1; no, you also need to know the car's mass.

Step-by-step explanation: