A boy jogs 250 meters in 110 seconds. what is his average speed.

A note on a piano vibrates 262 times per second. What is the period of the wave?

If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from sliding toward the inside of the curve (a real problem on icy mountain roads).

Which statement is true? The law of equal areas suggests that the imaginary line connecting the Sun to a planet sweeps out equal areas in equal amounts of time.

A miniature light bulb with resistance of 3 ohms is connected to a 6-volt source. How much current will flow through the bulb?

A prism breaking a bean of white light into its component colors is called A) scattering B) diffusion C) dispersion D) polarization

As a woman walks, her entire weight is momentarily placed on one heel of her high-heeled shoes. Calculate the pressure exerted on the floor by the heel if it has an area of 1.83 cm2 and the woman's mass is 54 kg. Express the pressure in Pa.

What is a barred spiral?

an 875kg car speed from 22m/s to 44m/s while pushing another car. what work was in changing the car's speed?

Ch 31 HW Exercise 31.10 7 of 15 Constants You want the current amplitude through a inductor with an inductance of 4.90 mH (part of the circuitry for a radio receiver) to be 3.00 mA when a sinusoidal voltage with an amplitude of 12.

Why would waves from the sun not reach Earth if they were mechanical waves? Include in your answer what is required for the movement of mechanical waves.