Calcular el valor de X A_ Una pelota que pesa 3kg (m:3kg) y esta a una altura de 5m (h:5m) B_ La pelota desciende teniendo EC: 120Joules y una altura X (h:X)

Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.

Properties seen when one one substance changes to another are known as properties