A water-balloon launcher with mass 4 kg fires a 0.5 kg balloon with a velocity of 3 m/s to the east. what is the recoil velocity of the launcher?

When a pendulum is at the center position, what is true of the kinetic and potential energy?

What is the source of the Sun's energy?

What is the variable that changes in response to the manipulated variable?

Why did the temperature remain at 0 and at 100 for a few minutes

A passenger in a car is holding an open water bottle when the car stops suddenly. Why does the water in the bottle splash out when the car stops? It is in static equilibrium. It has less friction. It has inertia. It loses gravity when in motion.

The waste products of combustion leave the internal combustion engine through the: A. crankshaft, B. exhaust valve. C. cylinder. D. intake valve.

How can you make your motor run in reverse? make sure to try it?

Which term refers to the process by which land is worn way by natural forces or human acticity?

A hungry 181 kg lion running northward at 71.0 km/hr attacks and holds onto a 38.6 kg Thomson's gazelle running eastward at 63.8 km/hr. Find the final speed of the lion-gazelle system immediately after the attack.

An apple falls from an apple tree growing on a 20o slope. the apple hits the ground with an impact velocity of 8 m/s straight downward. what is the component of the apple's impact velocity parallel to the surface of the slope?