Large rocks are found at the edge of lake huron, one of the great lakes. how will water from the lake change the rocks over time? a) it will wear down the rocks. b) it will make the rocks heavier. c) it will change the color of the rocks. d) it will plants grow on the rocks.

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?

The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?

The record distance in the sport of throwing cowpats is 81.1 m. this record toss was set by steve urner of the united states in 1981. assuming the initial launch angle was 45° and neglecting air resistance, answer the following. (a) determine the initial speed of the projectile. m/s