Dhy Q1) An object of mass 2kg falls from the height of 5m and
rebounds to a vertal height of 2m calculate the Change in momentum. If the object is in contact floor for 0.2seconds calculate the force experienced by the object
from the floor.

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.