The law of universal gravitation states that any two objects in the universe that have mass without exception is called what

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

In the first law of thermodynamics, triangle e=q-w, what does q stand for

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?