Sitting in a chairlift, Rebecca has a gravitational potential energy of 5,997.6

J. If Rebecca has a mass of 51 kg, how high off the ground is the lift?

OA) 6 m

OB) 12 m

OC) 118 m

OD) 612 m

How does applying force to an object affect its motion

3. The angular dispersion of a prism depends on A. the index of refraction only B. the angle of incidence as well as the index of refraction C. the angle of incidence only D. the hi thickness of the prism E, the prism angie.

Explain how the diffraction of light shows that light behaves like a wave.

True or False? An airplane is flying West at 200 kilometers per hour 2 hours later it is flying West at 300 km/h its average acceleration is 100 kilometers per hour.

The name of a sedimentary rock is usually based on: A) its history B) its degree of lithification C) its grain size D) its thickness

Which represents a system that is almost completely closed?

If many household substances classify as acids or bases what is the ph scale

A protostar forms once the nebular cloud condenses and the core begins

How do whales bats and dolphins use echolocation? A To scare away predators B To attract mates C To orient them selves and find food D To tell animals of there species where they are

How much force would be needed to move a car with the mass of 100kg to an acceleration of 5m/s/s?