How do you calculate the rate of change of velocity

A hollow sphere of negligible mass and radius R is completely filled with a liquid so that its density is rho. You now enlarge the sphere so its radius is 2R and completely fill it with the same liquid. What is the density of the enlarged sphere?

Describe how does the temperature relate to density and the movement of atmospheric gases? A) As the air warms expanding its volume, decreasing its density, and the air molecules rise.

Select all that apply. A glass jar contains 1 kg of liquid. This is the same as: 1,000 mL 1,000 cm3] 1,000 g

What makes up a nucleus of an atom

The diagram below shows the forces acting on a box. Describe the motion of the box. Calculate all forces

How are magnetic stripes near mid-ocean ridges evidence for sea-floor spreading?

If a truck has a mass of 2 x 106 grams and a velocity of 35m/s, what is its momentum? kgm/s a. 2 million b. 70 c. 57.14 d. 70,000 e. 57,100

A scientist heats a piece of iron until it is glowing white-hot. he places the metal inside a metal box. he removes all of the air from the inside of the box.

Johanna is studying what happens to the energy as a ball rolls down a ramp. What is she studying? Check all that apply. 1. gravitational potential energy 2. electrical energy 3. kinetic energy 4. mechanical energy 5. elastic potential energy

The density of sugar is 1.59 g/cm3. the mass of a sample is 4.0 g. find the volume of the sample