A 3 kg cart starts up an incline with a speed of 4 m/s and comes to rest 10 m up the incline. The total work done on the cart is:

Protons and neutrons are found within the nucleus of an atom

Acombination reaction is when two or more combine to form one product. a decomposition reaction is when a substance breaks down into two or more simpler substances in a chemical reaction.

Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)