A swimmer does 3,560 J of work in 55 s. What is the swimmer's power output? Round your answer to two significant figures. The power output of the swimmer is

What are the damages or effects of sewage dumps into natural water sources?

How much space does 1pound of butter occupy if the density of butter is 0.94 grams/cm cubed

Victoria has a crate of vegestables that weighs 100 newtons. she exerts a force of 100 newtons to lift the crate with a pulley. whats the mechanical advantage in this situation?

Which of these is an example of a scientific theory? A. "We saw a raccoon last night." B. "I think I left my notebook in science class." C. "The blue whale is the largest type of whale." D. "The farther away a galaxy is, the faster it is moving."

Why does a transformer require AC rather than DC? A. so that the magnetic field can be intensified B. so that the energy will be able to be transferred from one coil to another C. so that there will be enough voltage for transformation D.

The standard metric units of measurements for electric field strength are?

What steps are involved in converting potential energy to kinetic energy, or kinetic energy to potential energy?

A 50 Newton box is moved a distance of 12 meters. How much work was done on the box?

An alloy is made of a material of specific gravity 7.87 and another material of specific gravity 4.50. The alloy of mass 750g has an apparent weight of 6.6N when totally immersed in a liquid of specific gravity 0.78.

A ball with a mass of 3 kg moving at 5 m/s collides with a 9 kg ball at rest. After the collision, the impacting (3 kg) ball bounces back at a speed of 2.5 m/s. How fast does the 9 kg ball move and in what direction