What is the gravitational force of the sun on a 15.0 kg box on the earth's surface when the sun's mass is 2.0 x 1030kg and the distance between Earth and Sun
1.5 x 101m?
A 8.9 x 10-2N
B 4.5 x 10-1N
C 9.2 x 103N
D 4.0 x 10 SN

Athermometer is removed from a room where the temperature is 70° f and is taken outside, where the air temperature is 10° f. after one-half minute the thermometer reads 60° f. what is the reading of the thermometer at t = 1 min? (round your answer to two decimal places.) ° f how long will it take for the thermometer to reach 30° f? (round your answer to two decimal places.)

If steel is more dense that lake water, why can a boat float

Which atomic model was proposed as a result of j. j. thomson’s work?