An elevator weighing 6,000 N moves up a distance of 10.0 meters in 30.0 seconds. a. How much work did the elevator's motor do? b. What was the power of the elevator's motor in watt and in horsepower?

A race car has a mass of 710 kg. it starts from rest and travels 40.0 m in 3.0 s. the car is uniformly accelerated during the entire time. what is the net force exerted on it?

Which is an example of Earth's conditions slowly changing? a. meteors striking c. continents moving b. volcanoes erupting d. a mass extinction

Excluding the pacific plate, which is labeled on the map, but lies outside of the east asian realm's border, what is the largest tectonic plate shown on the map of east asia?

Although you can see the pencil, it appears broken in the glass of water. This is because

Explain why models are often used to study other planets.

A rectangular gasoline tank can hold 50.0 kg of gasoline when full. What is the depth of the tank if it is 0.500-m wide by 0.900-m long, given that the density of gasoline is 6.8 x 102 kg/m3

Which statement best describes the kinetic theory of matter? Matter is made up of compounds that are in constant motion and have energy. Matter is made up of particles that seldom move and do not possess energy.

Why can we see our breath on a cold winter day

True or false describing a metal as malleable means that it can be pounded into a new shape

A 40 kg-skier starts at the top of a 12-meter high slope. At the bottom, she is traveling 10 m/s. How much energy does she lose to friction? A. She doesn't lose any because mechanical energy is always conserved. B. 4,704 J C. 2,000 J D. 2,704 J