Which has more momentum, a speeding baseball or an ocean liner at rest in a harbor?

What is the action force and reaction force of two bumper cars collide

Consider an electrical transformer that has 10 loops on its primary coil and 20 loops on its secondary coil. What is the current in the secondary coil if the current in the primary coil is 5.0 A? A. 5.0 AB. 10.0 AC. 2.5 AD. 20.0 A

Write an expression to evaluate the relative error in g (given that g = 2h/t^2) in terms of h,Δh, t,Δt

A boat can travel 48 miles upstream in 4 hours. the return trip takes 3 hours. find the speed of the boat in still water and the speed of the current.

What is cos (33°) ? A. 0.33 B. 0.84 C. 0.53 D. 0.65

If two parallel light rays hit a plane mirror, what will be their orientation to one another after they reflect? a. they will remain parallel. b. they will be perpendicular. c. it depends on the initial spacing between the light rays. d.

To extend the electrical system between the main panel and the secondary panel, the electricians used A. Receptacles B. Circuit breakers. C. feeders. D. insulators

Men in the age of 18-34 years need to be able to run a marathon in 3 hours and 10 minutes to qualify for the Boston Marathon. How many seconds is this? Show your work.

What is the center of our solar system?

A - 4.0-µC charge is located 0.45 m to the left of a + 6.0-µC charge. What is the magnitude and direction (to the right or to the left) of the electrostatic force on the positive charge?