One example of a physical change is

a. burning paper.

b. baking cookies.

c. the rusting of iron.

d. mixing a milkshake.

The potential difference across a variable resistor is 11V and the current flowing through it is 0.4A. What is the present resistance of this variable resistor?

Momentum is blank times velocity.

A stuntman jumps from the roof of a building to the safety net below. How far has the stuntman fallen after 2.3 seconds? A. 25.9 m B. 21.2 m C. 9.8 m D. 11.3 m

This famous scientist conducted experiments that led to the development of the Plum Pudding atomic model.

Which of the following descriptions is true about the packaging container known as a druggist fold

Beth made the chart shown. A 2-column table with 1 row. The first column labeled X has entries Wall clock, T V remote control, Portable music player. The second column labeled Y has entries Refrigerator, Table lamp, Hair dryer.

Which sentence states Newton's third law? If two objects collide, each object exerts a force in the same direction as the other. If two objects collide, each object exerts a force equal to and in the opposite direction of the other.

Why did the chicken cross the road.

A 98.1 kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.69 rad/s. A monkey drops a 9.29 kg bunch of bananas vertically onto the platform.

7. A type of non-renewable energy would be: O wind O petroleum O water solar