A 2 kg object is moving west at 4 m/s. It takes 2.0 s to slow down to 2 m/s, still moving west. What is the change in momentum, ΔP, of the object?

a. 4.0 kg∙m/s, west

b. 4.0 kg∙m/s, east

c. 2.0 kg∙m/s, west

d. 2.0 kg∙m/s, east

What is the relationship between environmental science and public policymakers?

A solid is placed in a solution. Which observation most likely indicates that a chemical reaction has occurred? . The size of the solid has rapidly decreased The color of the solution has not changed. The solid has bubbles forming on its surface.

Find the magnitude f of the force that the wooden block exerts on the nail, assuming that this force is independent of the depth of penetration of the nail into the wood.

with how much force does the water push on the diver?

How can you preveny friction from wearing things away?

Which of the following describes a characteristic of a series circuit? There is more than one path for the electrons to take. There is at least one power source and at least one receiver. All parts of the circuit are connected one after the next.

If you push against a stationary brick wall for several minutes, you do no work A. on the wall. B. at all. C. Both of the above. D. None of the above.

Awave is traveling through X. What can be known about X? It is empty space. It is any medium. It is a solid It is a liquid.

Who wrote the mayflower compact?

In the formula for specific heat, which quantity is measured in units of J/g•°C? a - c b - Q c - T d - m