An athlete runs 100 meters in 10 seconds. What is the athlete's average speed?

A car is traveling at a constant speed of 55 mi/h on a circular track. is the car accelerating?

List the number of atoms for each element in this compound: / (CaCO_{3} / )

A 15.0-m length of hose is wound around a reel, which is initially at rest. the moment of inertia of the reel is 0.570 kg·m2, and its radius is 0.170 m. when turning, friction at the axle exerts a torque of magnitude 3.50 n·m on the reel.

Which of the following is a vector quantity? a) 83 ounces of liquid b) 10 m/s down c) 15 seconds of travel d) 55 km/hr in a truck

Honey bees beat their wings, making a buzzing sound at a frequency of 2.3 * 10Æ hertz. What is the period of a bee's wing beat? a. 4.3x10^-3 b. 2.6 x10^-3 c. 4.0 x10^3 d. 2.6x10^3 seconds

What is the end of the lightning bolt called before it strikes the earth?

A 3 μf capacitor is connected to a 6 v battery. what is the charge on each plate of the capacitor?

What are some reasons we put orbiting spacecraft up into the atmosphere?

Critical thinking! Applying Concepts A desk exerts an upward force to support a computer resting on it. Does this force do work? Explain.

When an inclined plane is used, A. the mechanical advantage increases as the height increases. B. a smaller force is exerted over a longer distance. C. a negative mechanical advantage can result. D. a greater force is exerted over a shorter distance