What is the net displacement of the particle between 0 seconds and 80 seconds? 5
4
3
2
Velocity (m/s)
20
40
60
80
100
-2
-3
-4
-5
Time (s)
ОА.
160 meters
OB.
80 meters
OC. 40 meters

Ablock of steel has a density of 0.29lbs per cubic inch. if the block has dimensions of 1 inch by 1 inch by 3 inches, what is its weight? a. 0.29lbs b. 0.58lbs c. 0.87lbs d. 1lbs

Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =