• ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are measurements.
• In working this problem, assume the value of "g' to be 9.8 m/s2 with two (2) significant digits unless otherwise stated.
Calculate the total energy of 4.0 kg object moving horizontally at 20 m/s 50 meters above the surface.
A.40. J
B.800
C.2000 j
D.2800J

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.

You have a pick-up truck that weighed 4,000 pounds when it was new. you are modifying it to increase its ground clearance. when you are finished

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.