A racing car can complete a 900 m long lap in 15 s. What is the speed of the car?

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

What kind of simple machine is a catapult?

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.