When a can is crushed did it undergo a physical change

Why are the horinzontal forces acting on the book balanced

For a plane mirror, how is the object s related to the distance s?

Two blocks are suspended from opposite ends of a light rope that passes over a light, frictionless pulley. One block has mass m1 and the other has mass m2, where m2>m1.

The law of conservation of energy states that when one from of energy is converted into another, A-energy lost in the process B/No energy is lost in the process C/energy is created D-only some of the energy is accounted for

A standard biological microscope is required to have a magnification of 200X. a. When paired with a 10X eyepiece, what power objective is needed to get this magnification? b. What is the focal length of the objective?

Suppose gene A on the left chromosome is damaged and no longer functions. what form of the trait would show? Why?

What is the use of scientific knowledge and research for an action

How do evaporation and condensation relate to heat

Resistance = 0.1 ohm Current = 60 amps Voltage = ? 0.6 6 60 600

The velocity of a roller coaster as it moves down a hill is where v0 is the initial velocity and h is the vertical drop in feet. An engineer wants a new coaster to have a velocity of 90 feet per second when it reaches the bottom of the hill.