An arrow is fired directly horizontal off a cliff that is 10.0 meters tall with a velocity of 65.5 m/s. a) how long is the arrow in the air? b) what is the range of the arrow?

An air bubble of volume 20 cm³ is at the bottom of a lake 40 m deep, where the temperature is 4.0°c. the bubble rises to the surface, which is at a temperature of 20°c. take the temperature of the bubble’s air to be the same as that of the surrounding water. just as the bubble reaches the surface, what is its volume?

Which example has gravitational potential energy? a. a horse slowing down from a run b. an apple about to fall from a tree branch c. a bicycle being pedaled down a horizontal path d. beaker sitting on the floor

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec