A boy of mass 60 kg jumps off a truck of mass 140kg travelling at 7.7m/s. If he runs towards the truck with velocity of 2.5m/s calculate the momentum of the boy on jumping off the truck and the loss of kinetic energy the moment the boy jumped off

(science)study the following ocean currents map. an ocean currents map is shown. on the map the locations for san diego, california and savannah, georgia are marked. there is a looping current from the north past san diego and a looping current from the south near savannah which statement is most likely correct about the average temperatures in san diego, california as compared to savannah, georgia? it is higher in savannah because of the cool ocean currents from the south. it is higher in savannah because of the warm ocean currents from the north. it is lower in san diego because of the warm ocean currents from the south. it is lower in san diego because of the cool ocean currents from the north.

John throws .4 kg ball with velocity of 18 m/s. hits .2 kg bottle and bottle flies 25 m/s. how fast is ball traveling after hitting the bottle?

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?