Why is acceleration to 60km/h for 6s = to travelling 30km/h for 6s ? This was part of a skills test (UCAT) and the answer explanation it was just assumed knowledge

A110-pound person pulls herself up 4.0 feet. this took her 2.5 seconds. how much power was developed? 0.13 hp 0.32 hp 2.0 hp 3.1 hp

Física: un futbolista patea hacia el arco con una velocidad de 15m/ah, calcular: a)el alcance para un ángulo de tiro de 25? , b) el tiempo que el balón permanece en el aire.

What is the angular momentum of the bar about the axle?