Which law of motion accounts for the following statement?

"A ball hit by a man travels faster than one hit by a boy."

first law

second law

third law

Which of the following is the Sl unit used by chemists to measure the amount of an element or substance? A. molecule B. mole C. atom D. milliliter

Where is the Jaun de fuca ridge located?

Which of the following is NOT a shoulder and back weight training exercise A. Shoulder Shrug B. Triceps Curl C. Military Press D. Suitcase

Which of the following explains how electrical charges flow? From areas of high-potential to areas of low-potential From areas of low-potential to areas of high-potential Electrical charges do not flow. From the detector to the source.

About how many weeks does it take the Moon to go from a full Moon phase to a third quarter phase? A. 1 B. 2 C. 3 D. 4

Technician A says that all friction and steel plates in a clutch pack should be replaced during and overhaul. Technician B says that the automatic transmission fluid cooler should always be flushed when a unit is rebuilt or replaced.

Cold water (cp = 4180 J/kg·K) leading to a shower enters a thinwalled double-pipe counterflow heat exchanger at 15°C at a rate of 1.25 kg/s and is heated to 60°C by hot water (cp = 4190 J/kg·K) that enters at 100°C at a rate of 4 kg/s.

Determine the magnitude of the acceleration for the speeding up phase.

The experimenter fom the video rotates on his stool, this time holding his empty hands in his lap. You stand on a desk above him and drop a long, heavy been bag straight down so that it lands across his lap, in his hands. what happens?

Manufacturer claims its cleanser works twice as fast as any other. What tests could be performed to support this claim? Explain your reasoning.