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The Milky Way Galaxy is moving at about 600 km/s relative to the cosmic microwave background. How does this compare to Earth's speed in its orbit and

A 60-gallon water heater is initially filled with water at 70°F. Determine how much energy, in Btu, needs to be transferred to the water to raise its temperature to 100°F. Given: The water properties at an average water temperature of 85ºFrho = 62.

What is a main difference between hurricanes and tornadoes? Tornadoes form only over warm water, and hurricanes form only over cold water. Tornadoes happen during the winter, and hurricanes happen during the summer.

Two types of forces are contact and non-contact. Which of the following forces is NOT a non-contact force?

A solid uniform ball of mass 1.0 kg and radius 1.0 cm starts from rest and rolls down a 1.0-m high ramp. there is enough friction on the ramp to prevent the ball from slipping as it rolls down. A).

What happens if you don't wear your school uniform?

Velocity is the rate at which an object moves in a certain direction. what would cause a change in velocity?

The position of an object is given by x = at3 - bt2 + ct, where a = 4.1 m/s3, b = 2.2 m/s2, c = 1.7 m/s, and x and t are in SI units. What is the instantaneous acceleration of the object when t = 4.1 s?

A 0.25 kg baseball is in contact with a bat for 0.0075 s and exerts a force of 18,500 N. What impulse is delivered to the ball?

What is the American psychology Association ethical principle of psychology and code of conduct based upon