The average velocity of a bus is 15 m/s. If it starts off going 15m north and then 20m south, how long will the bus ride take?

When a light beam reflects from a plane mirror, how do you measure the angle of incidence

When is an object moving in uniform circular motion?

Compare and contrast bio-mass and hydroelectricity as sources of energy.

Which of the following is true about how pressure varies with depth in a fluid? a. Pressure decreases with depth because it must support the fluid weight above it. b. Pressure increases with depth because it must support the fluid weight above it. c.

Part a a microwave oven operates at 2.90 ghz. what is the wavelength of the radiation produced by this appliance? express the wavelength numerically in nanometers.

Can an animal survive being hit by a car going 60 mph

A balsa wood raft is 1.50 m long, 1.00 m wide, and 0.120 m high. the density of balsa is 380 kg/m^3. what is the mass of the raft? (unit=kg)

What is the difference between longitudinal and transverse waves?

Which is an example of transforming potential energy to kinetic energy? Select two options. a changing thermal energy to electrical energy b changing chemical energy to thermal energy c changing nuclear energy to radiant energy d changing radiant

If the action force is throwing a ball, what is the reaction force?