If 3,600 J of work is done in 3.0 s, what is the power?

A flat horizontal surface with an area of 518 cm^2 is inside a uniform electric field of 1.33 x 10^4 N/C. The angle between the area vector and the electric field is 33.2°. What is the electric flux through the surface?

A baseball is launched horizontally from a height of 1.8 mThe baseball travels 0.5 m before hitting the ground. How fast is the baseball moving, rounded to the nearest hundredth? m/s

A 50 kg projectile is fired at an angle of 30 degrees above the horizontal with an initial speed of 1.2 X 10^2 m/s from the top of a cliff 142 m above level ground, where the ground is taken to be y=0.

technician A says oil is primarily used to collect contaminants and carry them to the oil filter. Technician B says a breakdown in lubrication occurs on cold startup. Who is correct?

One piece of copper jewelry at 111°C has exactly twice the mass of another piece, which is at 28°C. Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside the calorimeter (c of copper = 0.

Why should a truck have an engine that can produce more force than a regular car? A) "Net forces" do not affect cars and trucks the same way.

How does a electron travel through a closed circuit?

Most people can detect frequencies as high as 20 000 Hz. Assuming the speed of sound in air is 345 m/s, determine the wavelength of the sound corresponding to this upper range of audible hearing.

Define absolute zero in terms of the kinetic energy of particles

Estimate the number of atoms in 1 cm^3 of a solid