A ball of modeling clay has a mass of 240 g and a diameter of 11 cm with an axis of rotation through the center>

When an object is heated it contracts. a. true b. false

Avery long solenoid of inner radius 2.75 cm creates an oscillating magnetic field of the form = for this solenoid, =0.00425 t and =319 rad/s. (a)what is the maximum value of the induced electric field at a perpendicular distance 1.45 cm from the axis of the solenoid? (b) what is the maximum value of the inducted electric field at a point 5.85 cm perpendicular from the axis of the solenoid?

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?