250 N T
Q
5 kg
T1
P
20 kg
State Newton's Second Law of Motion in words.
2.1
Draw a labelled free-body diagram indicating ALL the forces acting
2.2
5 kg block.
Calculate the magnitude of the tension T, in string P.
2.3
Calculate the magnitude of the tension T1

Identical marbles are released from the same height on each of the following four frictionless ramps . compare the speed of the marbles at the end of each ramp. explain your reasoning

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.)

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f