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

Rank in order, from largest to smallest, the values of the resistances r1 tor3.

An elevator weighs 1500 Newtons. Calculate how much potential energy it has when it is lived 500 meters in the air. 75,000 J 750 J 7,500,000 J 750,000 J

Two manned satellites approach one another at a relative velocity of v = 0.150 m/s, intending to dock. the first has a mass of 4.00 * 103 kg, and the second a mass of 7.50 * 103 kg.

What are you experiencing if you close your eyes and feel as if you are not moving

What are the two main factors that affect how quickly a coastline erodes?

A soccer ball player bounces the ball off her head, changing the velocity of the ball. She changes the x-component of the velocity of the ball from vix = 7.9 m/s to vfx = 5.9 m/s and the y-component from viy = - 3.4 m/s to vfy = 4.5 m/s.

Do you think an observer on another planet in the solar system might see eclipses

A. A vector is any element of a vector space. Is this statement true or false? A. True by the definition of a vector space B. False; not all vectors are elements of a vector space. C. False; a vector space is any element of a vector.

19 Which gas is the most abundant greenhouse gas? A. ozone B. chlorofluorocarbon C. carbon dioxide OD. methane E. water vapor Reset Next

The plates of a parallel-plate capacitor are maintained with a constant voltage by a battery as they are pushed together, without touching. How is the amount of charge on the plates affected during this process? a.