If a cat's mass is 1.20 kg, what is its weight on earth? a. 11.9 b. 12.1 c. 12.2 d. 11.8

The astronauts on the space shuttle flights experienced an acceleration of 29 m/s2 (about 3 "g's") during lift-off. what upward force must the astronaut's seat apply to the astronaut in order to cause this acceleration? assume the astronaut's mass is 70 kg, and compute this force when the acceleration is near the earth's surface so their weight equals latex: mg m g .

Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?

State the below theories and give the name of the writer of the theory 1. wave theory 2. quantum theory 3. corpuscular theory 4. electromagnetic theory