Taking the direction west to be positive, and east to be negative, what is the average acceleration of a jet ski that goes from rest to 10 m/s west in 4 seconds? A. 2.5 m/s2 B. 0.4 m/s2 C. - 0.4 m/s2 D. - 2.5 m/s2

Whose principle states that when a force is applied to a confined fluid, and increase in pressure is transmitted equally to all parts of the fluid?

Forces contribute to the net force on a car rolling down a ramp

A 1000 kg car crashed into bearer. the car changed speed from 30 m/s to 20 m/s in 2 seconds. What force did the bearer apply to stop the car?

Which of the following uses a filament to produce light? A. incandescent lights B. bioluminescent lights C. florescent lights D. neon lights

A cat pushes a ball from a 7.00 m high window, giving it a horizontal velocity of 0.20 m/s. how far from the base of the building does the ball land? (assume no air resistance and that ay = g = 9.81 m/s2.)

Taking the direction west to be positive, and east to be negative, what is the average acceleration of a jet ski that goes from rest to 10 m/s west in 4 seconds? A. 2.5 m/s2 B. 0.4 m/s2 C. - 0.4 m/s2 D. - 2.5 m/s2

One consequence of turbulence is mixing. Different layers of fluid flow cross over one another very easily, and get blended together.

If you were going to describe the relationship between current, voltage, and power, you could say:? A "If there is a decrease in power, there must have been an increase in either current or voltage.

Green light shines through a 130-mm-diameter hole and is observed on a screen. if the hole diameter is increased by 20%, does the circular spot of light on the screen decrease in diameter, increase in diameter, or stay the same?

Which forces do not require contact between objects in order to exert a push or pull? select all that apply gravitational force between the earth and an object tension force between an object and a rope magnetic force between two magnets frictional