A car travels up a hill at a constant speed of 22 km/h and returns down the hill at a constant speed of 55 km/h. calculate the average speed for the round trip.

Where is the water cycle stored during the water cycle

If a force of 5 n to left and 9 n to right act on a object what is the net force

An example of a congential disease is A. osteoarthritis. B. appendicitis. C. Grave's disease. D. cystic fibrosis.

An RLC series circuit consists of a 50 Ω resistor, a 200 μF capacitor, and a 120-mH inductor whose coil has a resistance of 20 Ω. The source for the circuit has an rms emf of 240 V at a frequency of 60 Hz.

If the speed of light in a vacuum is 1.2 times that of the speed of light in a given material, what is the index of refraction for that material? Write your answer as a decimal.

How long does it take a car to travel 450 km at 75 km/hr

A free-falling golf ball strikes the ground and exerts a force on it

What are the main activities involved in studying physics?

What is the energy that moves your arms and legs

A moving object can be in equilibrium. Explain.