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Question: What is the minimum speed that a rollercoaster has to be moving at the top of a 15 m radius loop-the-loop in order to stay on the track?
I need help to find the minimum speed that a rollercoaster has to be moving.
The angular momentum of a flywheel having a rotational inertia of 0.100 kg·m2 about its central axis decreases from 3.00 to 0.400 kg·m2/s in 0.80 s. What is the average power of the flywheel
an air bubble has a volume of 1.35 cm3 when it is released by a submarine 105 m below the surface of a lake. what is
A flight attendant pulls her 71 N flight bag a distance of 322 m along a level airport floor at a constant velocity. The force she exerts is 36 N at an angle of 53° above the horizontal.
First, assume that the collision is entirely inelastic. Calculate and describe the final state for these objects. Calculate the total energy for this system before and after the collision. Is mechanical energy conserved? If not, account accoun..
A golfer imparts a speed of 27.3m/s to a ball, and it travels the maximum possible distance before landing on the green. How much time does the ball spend in the air
A pitcher pitches a baseball of mass 0.20 kg. The baseball arrives at home plate with a speed of 40 m/s and is batted directly back to the pitcher (horizontally) with a return speed of 50 m/s. find the magnitude of the average force of the bat on ..
Compute the components of the electric field at the point P shown in figure E2.9 with the y-direction upward and the z-direction out of the page. Suppose that the charge Q is uniformly distributed over the wire.
An ac generator supplies an rms voltage of 5.00 v to an RL circuit. At a frequency of 21.0kHz the rms current in the circuit is 45.0 mA; at a frequency of 26.0 kHz the rms current is 40.0 mA. What is the values of L in this circuit? What is the value..
A high-pressure gas cylinder contains 50 L of toxic gas at a pressure of 1.70 x 107 N/m2 and a temperature of 26.0°C. Obtain the final pressure if one-tenth of the gas escapes
your are sitting in your car which is standing at the side of the road with the engine idling. in the rearview mirror
Explain by how much does the potential energy of a 23.0-kg child increase when the child climbs a normal staircase to the second floor?
An atomic nucleus initially movingat 420m/s emits an alpha particle in the direction of its velocity,and the remaining nucleus slows to 350 m/s. what speed does the alpha particle have when it is emitted
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