Can someone help me with this please?

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

Amodel rocket with a mass of 0.212 kg is launched into the air with an initial speed of 84 m/s. how much kinetic energy will the rocket have at a height of 214 m? assume there is no wind resistance. 634 j 303 j

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?