Which best describes a force?

a vector with magnitude and direction

a vector with speed and strength

a vector with direction only

a vector with strength only

A 2.5 kg, 20-cm-diameter turntable rotates at 80 rpm on frictionless bearings. Two 500 g blocks fall from above, hit the turntable simultaneously at opposite ends of a diameter, and stick.

if an object was dropped from an airplane and took 14.2s to fall to the earth, what was the height of the plane

Scientific models can be used for a variety of different purposes. Which of the following is not a possible use for a scientific model?. a. study of complex systems. b. study of obsolete systems. c. replace study of the larger system. d.

Why aren't renewable resources used for everything that we use energy for?

How does a rilling can work

Each of the objects below is dropped from the same height. which one would be least affected by air resistance?

Another important gas is water vapor, which condensesarouns

Volume can be measured in liters or cubic meters. a. T b. F

What is the average speed of a car that traveled 300.0 miles in 5.5 hours? Write your answer in km/min

Three vectors →a, →b, and →c each have a magnitude of 50 m and lie in an xy plane. Their directions relative to the positive direction of the x axis are 30°, 195°, and 315°, respectively.