What is the speed vf of the package when it hits the ground?

How does a generator convert mechanical energy into electrical energy?

The total kinetic energy of moving particles of matter is called

Which statement describes one way in which global winds affect weather and climate? A. Polar easterlies move warm air to the mid latitudes B. Global winds cause deep ocean currents to form C.

1.) Explain the difference between theory, universal law, and opinion. 2.) How do scientific theories differ from opinions?

Give the symbol for two halogens

The following statements regarding the exhaust gas recirculation (EGR) valve are all correct except: Low restriction exhaust systems will have no effect on EGR system operation. B.

A 10.0 V battery is connected to a 120-ohm resistor. Ignoring the internal resistance of the battery Calculate the power delivered to the resistor.

Hemoglobin (Hb) is the O2-carrying protein in our blood. Unlike myoglobin, it has four sites allowing it to bind up to four O2 molecules.

Why does the moon appear to change shape? A: It rotates and makes it own light B: It moves closer and farther away from the earth in a yearly pattern. C: It reflects sunlight as it revolves around the earth.

An object's weight is equal to its buoyant force in water. What would you expect to happen when the object is placed in water? Explain your reasoning.