A futuristic design for a car is to have a large solid disk-shaped flywheel within the car storing kinetic energy. The uniform flywheel has mass 370 kg with a radius of 0.500 m and can rotate up to 230 rev/s
Assuming all of this stored kinetic energy could be transferred to the linear velocity of the 1600-kg\ car, find the maximum attainable speed of the car.
246 m/s
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a. True b. False Indicate whether the statement is true or false
Which of the following is not true of the special theory of relativity?
A) The theory is valid only at speeds close to the speed of light. B) The special theory does not apply to situations that involve substantial acceleration or gravity; for that, you need the general theory of relativity. C) For low speeds, the theory predicts effects that are so small that they cannot be noticed without extremely precise, high-tech measurement. D) The theory tells us that there is no such thing as absolute time or space because measurements of time and space depend on your reference frame.
Local climate patterns in a cooler world may involve more rainfall
What will be an ideal response?
A cyclotron operates at 10 MHz. What magnetic field is needed to accelerate protons?
A) 0.12 T B) 0.25 T C) 0.66 T D) 1.3 T E) 1.5 T