El conductor de un coche de 650 kg que va a 90 km/h frena y reduce su velocidad a 50 km/h. Calcula:
a. La energía cinética inicial.
b. La energía cinética final.

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 articulations allow for greatest range of motion?

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.