A rocket leaves a launch pad at liftoff with a great deal of upward momentum. What was initially given downward momentum? Question 7 options: the launch pad
the astronauts aboard the rocket
the expelled fuel
the entire Earth

In a system, when potential energy decreases, then entropy also decreases. true false

Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.

How is zig zagging a form of acceleration?