Describe how a lever can increase the force applied without changing the amount of work being done

Tell me a little bit about extinct volcanoes it in science

The lens in the eyepiece of a telescope magnifies light by bending it. What is this bending called?

A machine has an efficiency of 20 percent. Find the input work if the output work is 140 Joules

What committee decides which bills move to the House floor for debate and sets the terms for the debate? A. House Oversight Committee B. House Rules Committee C. House Ways and Means Committee D. House Appropriation Committee

Identify the following items as scalar or vector. Speed Velocity Displacement Distance Measurement Measurement and direction 60 m North 100 m West 200 m/s

A small 25 kilogram canoe is floating downriver at a speed of 4 m/s. What is the canoe's kinetic energy?

A car traveling on a flat (unbanked), circular track accelerates uniformly from rest with a tangential acceleration of 1.85 m/s2. The car makes it one quarter of the way around the circle before it skids off the track.

A train travels 120 km in 2 hours and 30 minutes what is the average speed

How many constellations are there?

What units are given to the right of the equals sign