What is the average speed of an object with a total distance traveled of 45 meters in 50 seconds

Which type mixture looks like it is one substance a. A heterogeneous one b. A suspension c. A colloid d. A homogeneous one

Imagine that you move a substance from one container to another and its volume changes. What state of matter is that substance? gas solid liquid

If you add mass to a car on a ramp the acceleration of the car does not increase proportional to the increase in mass. Why not?

The study of blood applied to crime is referred to as what

If the bar is initially vertical, determine the angle of tilt of the bar when the 20 kipkip load is applied. Express your answer to three significant figures and include appropriate units.

How can the same material bend in one situation but break in another

According to Newton's first law of motion, what would happen to a car traveling at a constant velocity of 55 MPH to the west in the absence of an unbalanced force?

The Appalachian mountain range in the Eastern United States was once much taller than the Rocky mountain range in the Western United States.

Describe how lighting is just like you walking across a carpet and getting shocked

You need to raise a heavy block by pulling it with a massless rope. You can either (a) pull the block straight up height h, or (b) pull it up a long, frictionless plane inclined at a 15∘ angle until its height has increased by h.