When a certain horizontal spring is stretched a distance 10 cm, it exerts a restoring force of magnitude f = 20 n. the work done by a person in stretching this spring from x = 0 to x = 10 cm is

If a Ferrari, with an initial velocity of 10 m/s, accelerates at a rate of 50 m/s2 , for 3 seconds, what was his ending velocity?

If you double your speed, your kinetic energy will increase by:

The product of an object's mass and velocity is its

How much time will it take a jogger to travel 12 kilometers at a Constant speed of 4 m/s

4 examples of how Newton's law is applied

A large truck loaded with scrap Stella weights 14 metric tons and is traveling north on the interstate heading for Chicago. It has been averaging 48km/h for the journey and has traveled over the 1450 km so far. It has just stopped to refuel.

Which interaction of nature binds neutrons and protons into nuclei? A. strong B. weak C. electromagnetic D. gravitational

Why does icing sugar dissolve more rapidly than granular sugar?

At t = 0 the components of a radio-controlled car's velocity are vx = 0.5 m/s and vy = 1.2 m/s. Find the components of the car's velocity at t = 4.

2) A window washer pulls themselves upward using a bucket pulley apparatus. A) How hard must pull downward to raise herself slowly at a constant speed? B) If she increases this force by 15%, what will her acceleration be?