What force is required to give an object with mass 2000 kg an acceleration of

3.5 m/s2?

A. 571 N

B. 7000N

C. 10,500 N

D. 2535 N

Which method involves using tools to control invasive species? A. biological B. mechanical C. chemical D. manual E. monitoring

Why might an electromagnet be used to pick up old cars in junk yard?

A 50 kg boy runs and jumps with a forward velocity of 1.5 m/s into a 125 kg stationary boat. What is the final velocity of the boy/boat system? 0.43 m/s, forward 0.43 m/s, backward 1.1 m/s, forward 1.1 m/s, backwar

Which motion causes the Coriolis effect onEarth? (1) revolution of Earth around the Sun (2) revolution of the Moon around Earth (3) rotation of Earth on its axis (4) rotation of the Moon on its axis When water vapor condenses, how much heatenergy

The magnitude of the electric force between two protons is 2.30 10-26 n. how far apart are they?

If you lift the front wheel of a poorly maintained bicycle off the ground and then start it spinning at 0.69 rev/s, friction in the bearings causes the wheel to stop in just 13 s. If the moment of inertia of the wheel about its axle is 0.

Why is it warmer near the equator than near the poles?

Does 59feet = 170000 meters

The chemical reaction that causes chromium to corrode in air is given by 4Cr+3O2→2Cr2O3 in which at 298 K ΔH∘rxn = - 2256 kJ ΔS∘rxn = - 549.

Witch of the statements about water is true?