A lever is used to lift a heavy weight. The length of the input arm of the lever is 3 m, the length of output arm is 1 m.

What is the mechanical advantage of the lever?

3

1

4

0.33

Being rejected by a peer group can negatively influence one's self-esteem

Over the course of a martian year, what are the ranges of the rms speeds of the co2 molecules.

Pretend a person can walk only at a certain pace - no faster, no slower. If you time her uninterrupted walk across a room of known length, you can calculate her walking speed.

suppose you are in a t shirt business. the cost of your ink supplies increases as the quantity of t shirts produced decreases

A beam of blue light is incident on the water/air boundary. what does not change

What is the purpose of a free body diagram? A. to show the velocity of an object B. to show the acceleration of an object C. to show the forces acting on an object D. to show the direction of motion vectors of an object

An initially uncharged air-filled capacitor is connected to a 5.83 V charging source. As a result, 3.41*10-5 C of charge is transferred from one of the capacitor's plates to the other.

Which objects are inclined planes? Check all that apply. a nail a staircase a seesaw a wheelchair ramp a slide

In a reaction with water, a base will accept a proton from the water; therefore, the water must be acting as an acid. True or False

What are the three properties of gravity