A block starts at rest and slides down a frictionless ramp. it leaves the track horizontally, flies through the air, and subsequently strikes the ground.

what is the speed of the block when it leaves the track?

What is the rate of change in a objects position?

Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors