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In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. A trainee riding in the chamber of a centrifuge rotating with a constant angular speed of 2.6 rad/s experiences a centripetal acceleration of3.1 times the acceleration due to gravity. In a second training exercise, the centrifuge speeds up from rest with a constant angular acceleration. When the centrifuge reachesan angular speed of 2.6 rad/s, the trainee experiences a total acceleration equal to 5.1 times the acceleration due to gravity.
1. How long is the arm of the centrifuge?
2. What is the angular acceleration (magnitude) of the centrifuge in the second training exercise?
A tandem (two-person) bicycle team must overcome a force of 155 N to maintain a speed of 9.10 m/s. Find the power required per rider
An AC generator is to have a maximum output of 332 V. Each coil has an area of 0.125 m2 and a resistance of 15.3 ? and rotates in a magnetic field of 0.739 T with a frequency of 35.7 Hz, Determine the induced emf as a function of time
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a bullet is fired through a wooden board with a thickness of 11.0 cm. the bullet hits the board perpendicular to it and
A 166 gram hockey puck has a initial velocity of vx = 27 m/sec and vy = 16 m/sec. What is the impulse delivered to the hockey puck in the x direction
A car manufacturer claims that you can drive their new vehicle across a hill with a 47 slope before the vehicle starts to tip. how high is its center of gravity
A hiker determines the length of a lake by listening for the echo of her shout reflected by a cliff at the far end of the lake. Determine the length of the lake
A car of mass = 1400 travelling at 60.0 enters a banked turn covered with ice. The road is banked at an angle, and there is no friction between the road and the car's tires. Use = 9.80 throughout this problem.
In order to manufacture these coffee tables, the company would need to incur $525,000 in fixed costs for new equipment. Calculate the break-even point of the coffee tables in units sold.
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