How much work is accomplished when a force of 400 N pushes a box across the floor for a distance of 10 meters?

A.

4000 N

B.

4000 J

C.

40 J

D.

40 N

Which set of characteristics will produce the smallest value for the estimated standard error? Group of answer choices a large sample size and a large sample variance a small sample size and a small sample variance a large sample size and a small

What force drives winds and ocean currents?

In the design of a supermarket, there are to be several ramps connecting different parts of the store. Customers will have to push grocery carts up the ramps, and it is obviously desired this not be too difficult.

Which wave property increases as the number of vibrations producing the wave increases? A. wavelength B. frequency C. amplitude

Radiant energy is potential or kinetic because

What Science is/is not and How Physics and Chemistry are Connected

What two properties of sound remain the same when sound quality differs? A. amplitude B. frequency C. intensity D. loudness E. pitch F. resonance

A 1650 kg car accelerates at a rate of 4.0 m/s^2. How much force is the car's engine producing?

What is an example of when momentum is not conserved?

When a certain isotope, such as U-238, is hit by a neutron, it will always split into the same smaller nuclei. true or false?