Which type of force can act through empty space?

A. Tension

B. Normal

C. Spring

D. Magnetism

If a negative charge is placed in an electric field, what direction will it be accelerated? a) In the direction of the field. b) In the opposite direction of the field. c) Perpendicular to the direction of the field. d) It will not be accelerated.

What causes the curved, upper surface of water that commonly appears when using a graduated cylinder?

How does the way that matter cycles through an ecosystem differ from the way that energy flows?

When a bat strikes a ball, the force exerted can send the ball deep into the outfield. Where is the equal and opposite force in this case? Select one: A. bat's force on the batter B. ball's force on the bat C. ball's force on the air

A roller coaster, traveling with an initial speed of 15 meters per second, decelerates uniformly at â7.0 meters per second2 to a full stop. approximately how far does the roller coaster travel during its deceleration?

What is the unit for force we use when calculating F=ma?

A vector of magnitude 20 is added to a vector of magnitude 25. The magnitude of this sum. might be:. A. zero. B. 3. C. 12. D. 47. E. 50

Calculate the gravitational potential energy of a 10kg box on the top shelf of a closet, 2m above the floor

In late adulthood, changes in memory may bot be inevitable however, any decline in memory tends to invite

On october 15, 2001, a planet was discovered orbiting around the star hd 68988. its orbital distance was measured to be 10.5 million kilometers from the center of the star, and its orbital period was estimated at 6.3 days.