If you lift a 250 N weight 3 meters off of the ground, how much work have you done in joules?

Which part of a river would have animals with very muscular bodies and adaptations that let survive in turbulent water? Source zone Transition zone Floodplain zone

How many of the elements of the periodic table are considered solids

An object accelerates at 3 meters per second squared when a 10-newton (N) force is applied to it. Which force would cause this object to accelerate at 6 meters per second squared?

A car travels along a straight road at a steady 40 MPH. Are the forces on the car balanced or unbalanced? Explain.

1. Define friction. Name and describe two kinds of friction.

Meg runs a 10km race in 45 minutes (0.75 hours). What was her speed in kilometers per hour? a. 22 km/hr b. 7.5 km/hr c. 4.5 km/hr d. 13 km/hr

If you are an astronaut slowly drifting away from the space station, you might be able to drift back to the station by throwing a 555-kg tool rapidly in the direction that you are traveling (away from the station) A. False B. True C. Don't ask me D.

The loss of an electron from a neutral helium atom results in

What happens during the intake and compression strokes of a four stroke engine?

How do the energy differences between the higher energy levels of an atom compare with the energy differences between the lower energy levels of the atom?