Calculate the acceleration due to gravity on the moon. the moon’s radius is 1.74 x 106 m and its mass is 7.35 x 1022 kg.

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.

If a balloon is taken outside on a very cold day, what will occur?