An object of mass 80kg moves with a velocity of 4m/s. calculate the kinetic energy of the object

The compass of an airplane indicates that it is headed due north and its airspeed indicator shows that it is moving through the air at 240 km/hr. If there is a wind of 100 km/hr from west to east.

Through which substance will sound travel fastest? the ground the ocean the air

What travels faster, light or sound?

A capacitor is first connected to a 6 volt battery and then to a 12 volt battery. How would its capacitance change when connected to the higher voltage? a) It would increase. b) It would decrease. c) It would stay the same.

Ways that charges can be transferred

What is the expected wavelength (in cm) of 10.5 ghz microwaves in free space?

There are 5,280 feet in 1 mile and 12 inches in one foot. How many inches are in a mile?

An anion is an atom that has lost electrons. True or False?

Question: Jane, looking for Tarzan, is running at top speed (4.5 m/s) and grabs a vine hanging vertically from a tall tree in the jungle.

Kim holds a pinwheel in the air and says it can be used to model a source of energy. Identify the type of energy Kim's pinwheel models. Explain the type of energy source used.