A roller coaster is going through a loop with a circular radius of 9.1 meters, how fast must the roller coaster be moving at the top of the loop in order to stay on the track?

Josh starts his sled at the top of a 2.9-m-high hill that has a constant slope of 25∘. After reaching the bottom, he slides across a horizontal patch of snow.

Which three elements have strong magnetic properties? A. iron, cobalt, and nickel B. lithium, sodium, and potassium C. neon, argon, and krypton D. boron, carbon, and silicon

Which state has no active volcanoes A. California B. Hawaii C. New Youk D. Washington

Which kind of energy transformation occurs when the skater's board falls back to the ramp

Water flowing through a pipe suddenly comes to a section of pipe where the pipe diameter decreases to 86% of its previous value. if the speed of the water in the larger section of the pipe was 66 m/s, what is its speed in this smaller section?

You have two pendulums with cords that are exactly the same length. one is on earth (with an acceleration due to gravity of 9.81 meters/second2) and the other one is on the moon (with an acceleration due to gravity of 1.63 meters/second2).

The magnetic field is 0.0 2M from the wire is 0.1 T what is the magnitude of the magnetic field 0.0 1M from the same wire

A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is 3.5 x 10 exponent 5 kg, its speed is 27.0 m/s and the net braking force is 4.30 x 10 exponent 5 N, (A) what id its speed 7.

What is matter in context clues

The metallic elements which all react in water are found in the: same group same period rare earth elements