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 are the three properties of all magnets

In the formula Q = m * c * ΔT, which symbol represents specific heat? m c ΔT Q

What is a physical property of a water bottle?

The atomic number is equal to the number of: Question 1 options: protons in the nucleus of an atom of that element. times the atom orbits the Earth electrons The atomic number is equal to the atomic weight.

What must be photographed with an impression before it is moved or cast? A) a scale B) an evidence card C) the likely object that made the impression D) the badge of the first officer at the scene

How can we calculate the density of a sustance that has irregular volume

A two stage rocket leaves its launch pad moving vertically with an average acceleration of 4 m/s2. at 10 s after launch the first stage of the rocket (now without fuel) is released.

A liquid filled sealed system has cylinders with movable pistons on each end. The face of one piston has an area of 5 cm². The other piston has an area of 500 cm² and is supporting a weight of 2 kN on it.

A turntable is spinning on a frictionless axle when a ball of putty is dropped onto it from above. The putty sticks to the turntable when it lands. Is angular momentum conserved for the turntable and putty (the system) during this process?

A cheetah can run from 0 to 70 mph in 2.2 seconds. what is the cheetah's top speed in m/s?