Which of the following physical quantities can tell you the direction an object is moving?

position only

velocity only

acceleration only

both position and velocity

both velocity and acceleration

Density depends on which of the following quantities?

mass and volume

volume only

mass only

mass and height

A piece of glass is broken into two pieces of different size. Rank in order, from largest

to smallest, the mass densities of pieces 1, 2, and 3.

1 = 2 = 3

1 > 2 = 3

1 > 2 > 3

1 > 3 > 2

2 > 3 > 1

2 > 1 > 3

The density of gold is 19.3 g/cm3. What is the specific gravity of gold?

In which case does the ballerina exert more pressure on the ground: when she stands at rest on her two flat feet or when she stands at rest on pointe with both feet (standing on her tiptoes)?

flat feet

tiptoes

pressure is equal in two cases

To use the integrated version of the hydrostatic pressure equation

(P=ρgh), what must be true?

the density of the liquid must increase with height

the density of the liquid must decrease with height

the density of the liquid must be constant with height

You read 250 kPa off a tire gauge. What is the pressure of the air inside your tire in kPa?

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