A 25 kg cart has 125 kg X meters per second momentum how fast is the car going

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.)

Explain why electric current cannot exist if a current doesn't have a voltage source.

The mantle is made up of which structural zones?