A boy of 65 kg is skating around a circle with radius 3.8

meters. If he is moving at 4.25 m/s, what is his angular

momentum? (Round to the nearest hundredth).

A 1049.75 Nms

B 27.63 Nms

C 276.25 Nms

D 10.50 Nms

E 104.98 Nms

Determine whether the following statements are true and give an explanation or counterexample. (A) If the acceleration of an object remains constant, its velocity is constant.

In a laundromat, during the spin-dry cycle of a washer, the rotating tub goes from rest to its maximum angular speed of 6.7 rev/s in 8.8 s. You lift the lid of the washer and notice that the tub decelerates and comes to a stop in 16.5 s.

An object which has a mass 70 kg is sitting on a cliff 10 m high. Calculate the objects gravitational potential energy given G=10m/s2

Physics When attempting to increase the distance traveled by a projectile, what must occur

What is a brief definition for 'binding energy'?

Your car travels 600 miles in 6 hours. You stop the car for lunch for 1 hour and then you continue on your trip for another 14 miles and finish the entire trip in 8 hours. What was your car's average speed while you were driving?

Speed is a vector quantity

The observation location A is located at m. The conventional current running through the wire is 7.5 amperes. In this exercise you will calculate the magnetic field at the observation location due only to segment 4 of the wire.

The wavelength of a light wave can be used to measure which of the following? A. The direction the wave is traveling B. How many photons the wave contains C. How much energy the wave has D. How high the top of the wave is

Sound 1 has an intensity of 38 W/m2. Sound 2 has an intensity level that is 2.5 dB greater than the intensity level of sound 1. What is the intensity of sound 2?