2. Two projectiles thrown from the same point at angles 0,=60° and 02=30° with the horizontal, attain the same height. What is the ratio of their initial velocities (Voi:Voz)?

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

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.

Auniform crate c with mass mc is being transported to the left by a forklift with a constant speed v1. what is the magnitude of the angular momentum of the crate about point a, that is, the point of contact between the front tire of the forklift and the ground