QUESTION 1 Box on Table, part a
A box is resting on a frictionless table and has a mass of 8.41kg. What is its weight?

A500g object falls off a cliff and losers 100 j from its gravitational potential energy store. if the gravitational field strength g=9.8n/kg, how high is the cliff?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

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.