Can someone who know's what their talking about me with this ? i have tried to do this question for over an hour now, and still cannot find any possible answer based on the answer selections

a position-time graph is shown below

which statement accurately describes the velocity of the object in the graph above over the six seconds?

the object moves forward at 5 m/s, stops, and then changes velocity.
the object moves backward, stops, and then continues forward at 5 m/s.
the object is at rest for 2 seconds and then moves at forward at 5 m/s.
the object stops and then returns to its original position and velocity.

Mass (kg) force (n) 5 25 10 50 15 75 20 100 a student was trying to find the relationship between mass and force. he placed four different masses on a table and pulled them using a spring scale. the table shows the different masses used in the experiment and the force required to pull each mass. the student concluded that more force was required to pull heavier objects. what comment would you make regarding his conclusion? a) no clear relation can be observed between mass and force from the data. b) there is a direct proportion between the mass and force listed in the table. c) gravity should have been taken into account while performing the experiment. d) there is an inverse proportion between the mass and force listed in the table.

The two required components for a generator are

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?