If you want to lift a 5-kg box to a height of 2 meters, how much work must be

done?

O A. 50 J

O B. 98 J

O C. 100J

O D. J

A flat coil is in a uniform magnetic field. The magnetic flux through the coil is greatest when the plane of its area is

You are trying to determine the identity of an unknown metal object using density. You measure the volume by displacement using a graduated cylinder. The initial volume is 14.7 mL, and the final volume is 23.5 mL.

Three students are pushing on a box. Under what conditions will the motion of the box change?

Plato and the Soul. A. Plato believed that our souls died with our physical bodies. B. Plato believes our souls were the shadows on the cave walls. C. Plato believed our souls did not exist.

Only one force acts on one object. Can the object have 0 acceleration? Can it have 0 velocity?

Alice did an experiment to find the relationship between the angle at which a ray of light strikes a mirror and the angle at which the mirror reflects the light. She placed a ray box in front of a mirror.

When the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isJ.

How do most primary producers make their own food?

The maximum kinetic energy of photoelectrons is 3.10 ev. when the wavelength of the light is increased by 50%, the maximum energy decreases to 1.50 ev. part a what is the work function of the cathode?

Which of the following most completely describes an objects motion? A. a car travels 25 miles. B. The baby crawls 10 feet in 15 seconds toward the door. C. A marble rolls 10 m to the left D. The rain falls at a rate of one inch per hour