- Tom's mass is 70 kg and Sally's mass is 50.0 kg. Tom and Sally are standing 20.0 m apart on the dance floor. Sally looks up and sees Tom. She faels an attraction. Supposing that the attraction is gravitational, find its size. 292times 10^11 5.83times 10^-10 B75N 5.83times 10^-11
- When finding the Gravitational force between two masses you need to know __ the gravitational constant the distance between the objects the value of each mass, the distance between the objects, and the gravitational constant the value of each mass
- The temperature of 12.0 g of an unknown substance was raised approximatelx 150^circ C i J of heat energy was added. Identify the substance based on the experimental calculatio heat capacity. (A) glass B. aluminium e. iron A. copper
- Choose the best description of the attraction between you and the Earth extremely small (1.8times 10^-8N) It is large enough to feel the attraction There is not enough information to answer this question There is no attractive force.
- In a convection apparatus as shown on page 93 of your textbook, the smoke travels __ in the cold chimney and it travels __ in the hot chimney. upwards; downwards downwards; upwards downwards; downwards upwards; upwards
