Explain why a parachute would be useless if you went to the moon?

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?

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

Aforce of 40n applied at the end of length 4m and diameter 2.00mm process and extension of 0.24mm, calculate the stress on the wire, strain in the wire and the young modulus for the material of the wire