True or false the electromaginic sprctrum can be descridkbed in terms of wave and energy frequency and wavelength

What is the momentum in kg m/s of a 10kg truck traveling at 5m/s

Calculate the maximum force that a 0.2-in. diameter rod of Al2O3, having a yield strength of 35,000 psi, can withstand with no plastic deformation. Express your answer in both lbs and N.

A child dangles a 1.50-kilogram stuffed toy 0.500 meters from the ground. What is the potential energy of the toy? Answers are: 0.188 J 0.750 J 7.35 J 14.7 J

Which factors affect the gravitational force between two objects? distance and velocity mass and distance mass and weight acceleration and weight

The change in pitch of a train's horn as it passes while you are standing still can be explained by

Power is equivalent to the energy released divided by the time taken to release the energy. true false

Consider the following four cases of a person applying force to an object: (1) a force of 5 N directed parallel to the floor is pulling a box over a distance of 1 m.

What is the maximum possible torque on a sphere if the electric field between the transparent plates is 4.4*105 n/c?

If the phase angle for a block-spring system in SHM is ϕ and the block's position is given by x = xm cos (ωt + ϕ), what is the ratio of the kinetic energy to the potential energy at time t = 0? (Use any variable or symbol stated above as necessary.)

How are electrical signals transmitted over long distances?