The speed of all electromagnetic waves in empty space is 3.00 * 108 m/s. what is the wavelength of radio waves emitted at 83.6 mhz? answer in units of m.

How many revolutions will a car wheel of diameter 18 in. make as the car travels a distance of one mile? (Round your answer to the nearest whole number.) Incorrect: Your answer is incorrect. revolutions

Calculate the voltage difference in a circuit that has a resistance of 24 if the current is 0.50 a

A person jumps forward off the front of a stationary boat floating on a lake. Identify the reaction force in this case, between the person and the boat.

What is is the ratio of the distance over which the force is applied to the distance over which the load is moved

A 15-µF capacitor is charged to 40 V and then connected across an initially uncharged 25-µF capacitor. What is the final potential difference across the 25-µF capacitor?

Zach is making a round trip going from home to work. To get to her work she goes 30 m/s and then to get back home she goes 50 m/s. What is the velocityof Zach for the entire round trip? a. 0 m/s b.-20 m/s c. 80 m/s

S1. Use information from the appendices to predict whether diamond or graphite is the stable form of carbon at 1 atm pressure. If the density of graphite is 2.26 g/cm3 and that of diamond is 3.

The speedometer on a car actually measures the rotational speed of the axle and converts that to the linear speed of the car, assuming the car's tires diameter is 0.62 m. What is the rotational speed of the axle when the car is traveling 20 m/s?

Humpty Dumpty (12 kg) sat on a wall (2 m high). What was his potential energy, before his great fall? A. 235.2 J B. 235.2 N C. 24 J D. 246.1 W

If the speed of light in a sphere is 2 * 108 m/s, its index of refraction is