The division of earths history into similar units makes up the

a. eras

b. geologic time scale

c. periods

d. sequence of events

Two force always involved in using a machine are

An object has a velocity of 8 m/s and a kinetic energy of 480 J. What is the mass of the object? (Formula:) 7.5 kg 15 kg 60 kg 120 kg

What does sustainability mean with regard to the environment

In witch situation would you see a partial lunar eclipse?

How do physical properties of nonmetals differ from the physical properties of metals?

How does a bicycle rider's energy of motion changes as the gain speed while riding down a hill? Options: A) It is lost. B) It increases. C) It remains the same. D) It is stored in the bicycle rider.

When is a sailboat the stand on vessel in relations to a recreational power boat?

What happens when a balloon is rubbed with a woollen cloth?

A child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an equal and opposite force on the child. how can the wagon accelerate? (hint: draw a free-body diagram for each object.)

Which wavelengths of light is the highest in energy?