Calculate the speed of a car in miles per hour that is flashed on a speed camera covering a 20m distance in 0.5 seconds.

The cross-section of a pipe has an area of 2.0 cm2. Calculate the flow rate (in grams per second) of a liquid with p=1.0 g/cm3 through the pipe if the flow speed is 42 cm/s. a. 46 g/s c. 80 g/s b. 76 g/s d. 84 g/s

American teens have a quick and easy access to A: drivers license B: cars C: both a and b are correct

A 11-kg dog jumps up in the air to catch a ball. The dog's center of mass is normally 0.20 m above the ground, and he is 0.50 m long. The lowest he can get his center of mass is 0.

Water flows at a rate of 0.25 kg/sec in a 2.5 cm diameter tube having a length of 3m. Constant heat flux is imposed at the tube wall so that the tube wall temperature is 40C higher than the water temperature.

Infrared radiation has frequencies from 3.0*1011 to 3.0*1014 Hz, whereas the frequency region for microwave radiation is 3.0*108 to 3.0*1011 Hz. (higher than, lower than, or the same) We can say that:1.

You are on a train traveling east at speed of 19 m/s with respect to the ground. 1) If you walk east toward the front of the train, with a speed of 1.5 m/s with respect to the train, what is your velocity with respect to the ground

How the behavior of waves is affected by medium

Is abolute zero equal to 0c

Is the study of the muscle movements in the human body an example of biology or of physics

A resistor has 1.50 V potential difference across its ends. it develops thermal energy at a rate of 327 W. What is the current in the resistor? A. 68.8 A B. 14.5 A C. 45.9 A D. 21.8 A