A force of 18 lb is required to hold a spring stretched 8 in. beyond its natural length. How much work W is done in stretching it from its natural length to 11 in. beyond its natural length? W = ft-lb

A particle moves along a line so that its position at any time is t>0 or t=0 is given by the function s (t) = (t^3) - (6t^2) + (8t) + 2 where s is measured in meters and t is measured in seconds. a) find instantaneous velocity at any time t.

Professional Application: A 30,000-kg freight car is coasting at 0.850 m/s with negligible friction under a hopper that dumps 110,000 kg of scrap metal into it.

Andrea walked 1 block north and then 2 blocks west. How could you determine her total displacement

A 2.5 liter volume of carbon dioxide gas is held at constant temperature and at 100 kpa of pressure. gradually the pressure is increased to 500 kpa. what is the new volume of carbon dioxide gas?

Is fm radio a wave motion

Wick type of cloud is often taken to be a sign of fair weather

A body is a particular amount of matter. It can be a solid, liquid or gas. It can be described as existing in A. location and movement. B. size and shape. C. time and space. D. motion and force.

What is a result when the torques on each side of the fulcrum are equal? no motion rotate counterclockwise about the fulcrum rotate clockwise about the fulcrum iIt will teeter clockwise and counterclockwise about the fulcrum

Suppose a 58-turn coil lies in the plane of the page in a uniform magnetic field that is directed out of the page. The coil originally has an area of 0.175 m2. It is stretched to have no area in 0.100 s.

A yummy glazed doughnut is shown above. 1) where is the center of mass of this fantastic culinary delight? in the center of the hole. somewhere inside the solid part of the doughnut the center of mass is not defined in cases where mass is missing.