In a longitudinal wave, particle displacement is

perpendicular to the direction of wave motion

parallel to the direction of wave motion

opposite to the direction of wave motion

above the direction of wave motion

The energy of atoms and molecules due to their motion is?

The velocity time - graph of a body undergoing uniform acceleration is Select one: a. not a straight line b. straight line parallel to x-axis c. straight line inclined to x-axis

An object will appear the color that is Refracted Reflected Longest Separated

The input work done on a pulley system is 450J. What is the efficiency of the pulley system if the output work is 375J

Using energy considerations and assuming negligible air resistance, show that a rock thrown from a bridge 20.0 m above water with an initial speed of 15.0 m/s strikes the water with a speed of 24.8 m/s independent of the direction thrown.

How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57*10-21 newtons?

If you could see the electric field coming off a proton you would notice that electric field lines are

We wrap a light, nonstretching cable around a 10.0 kg kg solid cylinder with diameter of 38.0 cm cm. The cylinder rotates with negligible friction about a stationary horizontal axis. We tie the free end of the cable to a 14.

A 0.5kg baseball experiences a 10N force for a duration of 0.1s. What is the change in velocity of the baseball

A beam of light passes from air into a cube of zirconium if the angle of incidence is 40"what is the angle of refraction?