A ball is dropped from the top of a cliff 651 m high. How long does it take the ball to hit the ground at the bottom of the cliff, in seconds?

Which of the following situations would cause the greatest decrease in the motion of molecules in a system? A. Q = - 50 J, W = - 50 J B. Q = + 50 J, W = + 50 J C. Q = - 50 J, W = + 50 J D. Q = + 50 J, W = - 50 J

What occurs in a chemical reaction? A. Reactants are formed without chemical bonds being broken B. Reactants are formed from products by the breaking and forming of bonds C. Products are formed without chemical bonds being broken D.

What is the momentum of a 1.5 * 103 kilogram van that is moving at a velocity of 32 meters/second?

Which type of wave is a sound wave? light wave transverse wave electromagnetic wave longitudinal wave i feel like it's ether b or d not sure though xc

In the hydrologic cycle, water evaporates into the atmosphere. It then condenses and falls to the ground as precipitation. How can the water return to the atmosphere?

A small car collides with a large truck. Is the magnitude of the force experienced by the car greater than, less than, or equal to the magnitude of the force experienced by the truck? a. less than b. equal to c. greater than

As an airplane is taking off at an airport its position is closely monitored by radar. The following three positions are measured with their corresponding times: x1 = 241.22 m at t1 = 3.70 s, x2 = 297.60 m at t2 = 4.20 s, x3 = 360.23 m at t3 = 4.

A stunt car with a mass of 1000 kg crashes into a tree on a movie set during the collision acceleration of the car with 3 m what was the force of impact of the collision on the car

A circuit with a current of 400 amp has several lights that have a total resistance equal to 30 ohms. Find the voltage.

How many neutrons does element x have if it's atomic number is 35 and it's mass number 71