A perpetual motion machine can never be built because it is not possible to eliminate

A) Momentum

B) Inertia

C) Elasticity

D) Friction

An astronaut wing 580 N on earth notices that an astronaut wing 580 N on earth notices that he Waze only 98 N on the moon is mass on the moon is blank KG

Do the most energetic forms of waves have high amplitudes and long wavelengths

Jane, looking for tarzan, is running at top speed (5.2 m/s) and grabs a vine hanging 4.5 m vertically from a tall tree in the jungle. how high can she swing upward?

Which of the following statements is NOT true of all different types of matter? a.) They are made up of atoms and molecules. b.) The particles that make them up are always in motion. c.) They are made up of extremely small particles. d.

A batter hits a pop-up straight up over home plate at an initial velocity of 21 m/s. the ball is caught by the catcher at the same height that it was hit. at what velocity does the ball land in the catcher's mitt? neglect air resistance.

The forklift exerts a 1500 N force on the box and moves it 3 M forward to the stack how much work does the forklift do

In which situation would a space probe most likely experience centripetal acceleration?

Oil is less dense than water, which is less dense than syrup. If you put these three liquids in a column, in what order would they layer from top to bottom?

Rhea kicks a soccer ball at 13 km/h to Sean. After kicking the ball, the speed of the soccer ball from Rhea's reference frame is 13 km/h. The speed of the soccer ball from Sean's reference frame is 22 km/h. a.

How is using a digital signal like turning on and off a regular light switch?