An engine uses 5280 j of input heat to do 702 j of work. what is its actual efficiency'

Car a is traveling at twice the speed of car b. They both hit the brakes at the same time and undergo identical decelerations. How does the distance required for car a to stop compare with that for car b?

Which of the following is not a process of a stream load? a. Materials in solution b. Bed Load c. Suspension d. Divide

What effect will be produced on a capacitor if the separation between the plates is increased

When sighting a firearm using an open sight, in what direction should the rear sight be moved if you want the shot to travel to the right

Nuclear power plants are designed to convert nuclear energy into what type of energy? a. electrical b. mechanical c. chemical d. geothermal

In a polar covalent bond

Lindsay is late to class and is running down the hallway at a speed of 2 m/s the length of the hallway is 150 meters. How long will it take her to run down the hallway?

Which of the following is evidence that groundwater causes erosion and deposition?

Changing the direction of current will or will not affect the strength of an electromagnet

A swimming pool has the dimensions of 10 meters, 5 meters, and 1 meter. What is the pool's volume? 50 m 50 m3 50 m2 25 m3