On a 600-mile, a pilot can save 30 minutes by increasing her usual speed by 40 mph. find her usual speed

A car traveling at 45 m/s starts to decelerate steadily. It comes to a complete stop in 10 seconds. What is it's acceleration

A 65-N box rest on a perfectly smooth surface. The minimum force needed to start the box moving is A) 65 N B) 6.5 N C) 650 N D) any horizontal force greater than zero

Describe all the forces acting on an elevator as it moves from rest upward and stops at its floor.

2. What is the difference between special relativity and general relativity? Briefly describe each theory and cite one piece of evidence supporting each theory.

A car starts from rest and accelerates at 2.0 m/s2 for 10 seconds. What is the car's displacement at the end of 10 seconds?

This particle is found in the nucleus and adds mass to the nucleus, but changing its number does not change what the element is. This particle is the A. proton. B. photon. C. neutron. D. electron.

Projectile motion is an example of what kind of motion

What can change scientific knowledge?

6. What is ductility?

During practice, a baseball player hits a very high fly ball, and then runs in a straight line and catches it. Which had the greatest displacement during the time period from the hitting of the ball to its catching