How long did Skylab orbit the earth?

A 6.0 kg block, starting from rest, slides down a frictionless incline of length 2.0 m. When it arrives at the bottom of the incline, it's speed is vf. At what distance from the top of the incline is the speed of the block 0.5vf?

When the change in momentum occurs over an extended period of time, the force of impact is:?

Mars has an average atmospheric pressure of 0.007 would it be easier or harder to drink from a straw on mars than on earth explain

What is the pressure in atmospheres of a 0.108mol sample of He gas at a temperature of 20.0°C if its volume is 0.505L? a. 5 atm c. 5.1 atm b. 4.86 atm d. 5.14 atm

How does convection work?

What is s the best description of the constructive interference of light? A. two waves have the same direction of displacement. B. two waves have displacement in opposite directions. C. a longitudinal wave meets a transverse light wave D.

1875 kg car is traveling at 22 m/s. It's momentum is?

Hot air balloon rises because a) molecules become lighter when heated b) molecules move faster and farther apart when heated c) molecules are less attracted by gravity when heated d) molecules become charged and repel each other when heated

If the diameter of the space station is 730 m, how many revolutions per minute are needed for the "artificial gravity" acceleration to be 9.80m/s2?

A person who has dissociative identity disorder: O A. cannot remember who he or she is. O B. has panic attacks when confronted. C. has two or more distinct personalities OD hears voices