Machine #2 Vibrating Cell phone slides down the ramp and causes the Jenga blocks to fall going up the ramp. This causes the golf ball
to roll up the ramp and fall, striking the see-saw below. The ping pong ball travels up, landing in the basket.
Measurements are listed here:
Height of cell phone to Jenga blocks is 15.0 cm Mass of cell phone is 0.138 kg
Distance the golf ball falls is 56.0 cm Mass of golf ball is 0.04593 kg
Height of ping pong ball to the blue basket is 33.0 cm Mass of ping pong 0.0027 kg
1. (8 points) Compute the E, for the ping pong ball.

How many dots must be added to the symbol to properly represent a standard nitrogen ion? a) 1 b) 3 c) 5 d) 8

You and a friend (alex) are at a a tree-top adventure park .. . part of the course requires you to climb up a rope. you both climb the same rope in the same amount of time. however, the tension in the rope is greater when alex climbs. who did the most work? alex did - more tension means more force - more force means more work was done you did - less tension means less force - less force means more work was done to find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? when more work was done, the couch was moved less. when more work was done, the couch was moved further. when more work was done, the couch wasn't moved at all. when more work was done, the couch was moved the same distance.

Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.