A horizontal net force F is exerted on an object at rest. The object starts at x = 0 m
m
and has a speed of 8.0 after moving
6.0 m along a horizontal frictionless
surface. The net force F as a function of
the object's position x is shown below

What is the mass of the object

Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past

Suppose that a comet that was seen in 563 a.d. by chinese astronomers was spotted again in year 1951. assume the time between observations is the period of the comet and take its eccentricity as 0.986. what are (a) the semimajor axis of the comet's orbit and (b) its greatest distance from the sun?

F500 j of energy were added to 1 kg of each of these samples, which would experience the least temperature increase?