Amotorcycle travels 820 meters in 10 seconds. what is it's average speed?

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.)

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

What object a collides with object b and bounces back its final momentum is?