A man is in a car that is moving with the velocity of 36km/hr.His speed with respect to the car:
Correct answer: C. Zero
- A. 10m/s
- B. 36m/s
- C. Zero
- D. Infinite
Explanation
A man is in a car that is moving with a velocity of 36 km/hr. We want to determine the man's speed with respect to the car. The correct statement is C. Zero. The man's speed with respect to the car is zero, meaning he is not moving relative to the car. This is the standard interpretation of speed relative to an object.
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Displacement, velocity and acceleration describe motion, including the horizontal and vertical components of projectile motion. The chapter connects these quantities with Newton's laws, momentum and impulse, then applies conservation of momentum to collisions, distinguishing elastic collisions from inelastic ones.
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