A merry-go-round has a mass of 1415 kg and a radius of 6.4 m. How much net work (in J) is required to accelerate it from rest to a rotation rate of 1.00 revolution per 7.00 s? Assume it is a solid cylinder.

This glass of lemonade is sitting in the hot summer sun. As time passes, in which direction will heat transfer take place?

If an object had a mass of 5 kilograms, what would be the weight of the object measured on a spring scale in the unit of Newtons?

Which of the following is NOT an example of a network configuration? LAN WAN SAN MAN

What property of matter determines the electrical conductivity of a substance?

Imagine you are holding an apple. how could you increase the potential energy of this apple?

Friction is a force that speeds up motion between two surfaces that are in contact

Which actions are evidence that a chemical reaction has occurred? Check all that apply. A: a change in color B: the formation of a precipitate C: a clear liquid becoming cloudy D: a change in shape E: the formation of bubbles F: the formation of

Which sphere forms Earth's outermost layer? Atmosphere Biosphere Cryosphere Hydrosphere

an 100kg object traveling at 50m/s collides (perfectly inelastic) with a 50kg object initially at rest. what is the sum of the momentum of both objects prior to the collision?

A train moves at constant velocity of 50km/h. how far will it move in 0.5h?