6. If a vehicle needs 5s to complete 15m. Find the mean speed of it? 3) 3ms
4) 20ms
1) 75ms
2) 10ms

What is work? how much work is done to move an object 0 meters?

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.)

Which type of basaltic lava flow has a fairly smooth