Describe all the physical quantities you can determine using this information. Check all that apply.
a. the time it takes to accelerate the shot
b. the horizontal component of the force exerted on the shot by hand
c. the angle between the trajectory of the shot and the direction to the North
d. the acceleration of the shot during the throw
e. the length of the hand

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules