Abox has a mass of 5.8 kg the box is lifted from the garage floor and placed on a shelf 2.5 m off the ground how much gravitational potential energy energy does the box have before it falls off the shelfa 18.3 j b100 42.1 m / s c 14.5 jd 142.1 j

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.

Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47