Graphing Motion

2,400

2.200

2,000

Mary

1.800

1,600

400

Kaury

Distance (m)

200

1.000

800

Julie

600

400

200

10

20

30

Time (min)

What is Julie's average speed after thirty minutes

A. O 0.33 m/s

B. 0.67 m/s

C. O 1.5 m/s

D. О 216 m/s

An experiment is designed to test what color of light will activate a photoelectric cell the best. The photocell is set in a circuit that "clicks" in response to current. The faster the current, the more clicks per minute.

The potential energy for a mass on a spring is proportional to the square of which of these quantities?

Placing the north pole of a magnet near the south pole of another magnet results in: an attractive force between the magnets. a repulsive force between the magnets. an electric force between the magnets. no force between the magnets.

Use term chloroplast and organelle in a sentence that describes cell function.

Explain and give an example of newtons 3rd law of motion

A toy helicopter begins flying across a field with a speed of 3 m/s and an acceleration of 0.8 m/s2. How long does it take the helicopter to reach a speed of 7 m/s?

A 50.0 kg child stands at the rim of a merry-go-round of radius 1.50 m, rotating with an angular speed of 3.00 rad/s. (a) what is the child's centripetal acceleration? incorrect: your answer is incorrect.

Do all types of waves need a medium to travel through

What feature of the ocean basin is formed when old oceanic crust is forced under continental plates

Thermal energy from the Earth's core heats rock and creates magma. This hot magma then rises toward the Earth's surface, cools, and sinks back down toward the Earth's core. Which actions below occur during this process? (multiple answers) A.