Which of the following electromagnetic waves has the shortest wavelength?

A.

visible light waves

B.

ultraviolet waves

C.

microwaves

D.

infrared waves

Why does a dropped feather hit the ground later than a rock dropped at the same time? * The weight of the rock The mass of the rock The air resistance on the feather Feathers are designed for flight

What are 2 examples of levers

Consider an object with weight on the Earth W_earth. The gravity of the Earth is g. If it is moved to another planet with gravity a, how much will be its weight? Note: you don't need to put a number for variables, M, W, a, g

Which of the following is a true statement? A. In a generator, electrical energy is converted into the energy of motion. B. In a motor, the energy of motion is converted into electrical energy. C.

When this chemical reaction occurs, the product is a salt called Lithium fluoride. a new element is formed the replacement of one element by another the decomposition of two elements, lithium and fluorine.

perature is 0◦F. How much taller is the building when the temperature is 107◦F? The linear expansion coefficient of steel is 1.1 * 10-5 (◦C) - 1.

A weightlifter lifted 800 Newtons to a height of 2.5 meters. What is the power output if this was done in 1.22 seconds?

What conditions must be present for a translational and rotational equilibrium of a rigid body?

In objects motion will not change is the force is acting on the object are blank

How fast or slow an object is moving and in what direction