Which one has larger kinetic energy: a 500-kg object moving at 40 m/s or a 1000-kg object moving at 20 m/s? a. The 500-kg object b. The 1000-kg object c. Both have the same kinetic energy.

Can someone explain the normal force? where does it come from? ... ?

Uranus was the first planet predicted by mathematics to exist before it was actually observed in a telescope Select one: True False

If an atomic bomb were detonated on the surface of the moon, how long would it be until we heard the explosion on Earth?

The distance between two crests of a transverse wave is referred to as the Question 1 options: medium. amplitude. wavelength. phase.

What did the federalist party support?

Which statement is correct about gasoline when it is burned? Heat energy is created by the gasoline. The total energy of the gasoline decreases. Chemical energy in the gasoline is destroyed. Chemical energy is transformed into heat energy.

The tilt of the Earth's axis of rotation changes over a period of 41,000 years. Which of these statements best predicts a long term effect of the changes in the tilt of the Earth's axis of rotation? a. The Earth's climate would change. b.

What do keratinized cells form?

Explain why Planck's introduction of quantization accounted for the properties of black-body radiation.

How and which waves travel either through a medium or a vacuum?