You paddle a canoe with a force of 325 N. You and the canoe have a combined mass of 250 kg. What is the acceleration of the canoe?
A. 0.8 m/s2
B. 0.3 m/s2
C. 1.9 m/s2
D. 1.3 m/s2

How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

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?