Atotal of 10.0 joules of work is done in accelerating a 20.-newton object from rest across a horizontal frictionless table. what is the total kinetic energy gained by the object?

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?

How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.

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?