17. A 60.-kilogram student climbs a ladder a vertical distance of 4.0 meters in 8.0 seconds. Approximately how much total work is done against gravity by the student during the climb?

The position vector of a particle of mass 2 kg is given as a function of time by ~r = (6 m) ˆı + (3 m/s) t ˆ. Determine the magnitude of the angular momentum of the particle with respect to the origin at time 3 s.

No force is necessary to

Productivity can best be described as

Why is the work output of any real machine less than the work needed to operate it? work is gained due to friction work is lost due to friction friction reduces the work input

The horizontal sweep of an oscilloscope is rated in

A long, thin rod parallel to the y-axis is located at x=-1.0 cm and carries a uniform linear charge density of + 1.0 nc/m. a second long, thin rod parallel to the z-axis is located at x=+1.0 cm and carries a uniform linear charge density of - 1.

A meter is measured in?

Explain why you poured the water into water before you identify the smell?

The force you exert on machine is called the?

22 What will NOT pollute the groundwater? F Motor oil spillage G Compost production H Injected radioactive waste J Lawn fertilizers