A roller coaster car travels through a loop in 3.1 s with a centripetal acceleration of 26 m/s^2. What is the radius of the roller coaster loop?

A. 6.3 m

B. 20 m

C. 25 m

What is the year in which j. J. Thomson discovered the electron?

What is the first stage in the erosion process?

If a wave has a wavelength of 9 meters and a period of 0.006, what is the velocity of the wave? A. 1,285 m/s B. 1,200 m/s C. 1,800 m/s D. 1,500 m/s

A particle leaves the origin with an initial velocity of 3.00 m/s in the x direction, and moves with constant acceleration ax = - 2.70 m/s2 and ay = 3.90 m/s2. How far does the particle move in the x direction before turning around?

Which types of electromagnetic wave travels through space the fastest?

What is the difference between contact forces and forces that act through a force field?

Suppose two parallel-plate capacitors have the same charge Q. but the area of capacitor 1 is A and the area of capacitor 2 is 2A. 1.

You want to launch a stone using the elastic band of a slingshot. The force that the elastic band applies to an object is given by F = - α∆s4, where α = 45 N m4 and ∆s is the displacement of the elastic band from its equilibrium position.

Which of the following statements regarding emails is true

If your fitness evaluation score is not satisfactory, set a new goal for the assessment and train for that goal. true or false