a car is slowed because the air it is moving through pushes past against it. this contact force is known as air

What term is used to describe the hot ash, gases, and materials being erupted at speeds of up to 400 mph?

A ski lift has a one-way length of 1 km and a vertical rise of200m. The chairs are spaced 20 m apart, and each chair can seatthree people. The lift is operating at a steady spedd of 10 km/h.

Tech A says that a vacuum modulator converts manifold vacuum into an engine load signal. Tech B says that the manual valve is moved by governor pressure to force a shift. Who is correct? a. tech A b. tech B c. both A and B d. neither A nor B

True or false Head on collisions are the most dangers kind of collision.

Which of the following is prohibited by the 2nd law of thermodynamics? (A) A device that converts heat into work with 100% efficiency (B) A device that converts work into heat with 100% efficiency.

Which of these is an example of temperature changing over time? A. a pan cools off on the stove B. a frozen dinner sits in the freezer C. a mug is at room temperature on the counter D. two glasses of water are filled from the tap and mixed together

A syrup added to an empty container with a mass of 115.25g. When 0.100 pint of syrup is added, the total mass of the container and syrup is 182.48g. Determine the density ... ?

MOST high schools teach biology, then chemistry, then physics. What do you see as some of the disadvantages of the traditional sequence to both students and teachers.

If you break a bar magnet in half, each half

If a forklift raises a 76-kg load a distance of 2.5 m, about how much work has it done?