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A centrifuge in a medical laboratory rotates at an angular speed of 3800 rev/min. When switched off, it rotates 50.0 times before coming to rest.
Find the constant angular acceleration of the centrifuge.
Explain how many atoms strike the umbrella each second? Assume that the wind blows horizontally so that the gravity can be neglected.
A slide projector needs to create a 96 cm-high image of a 2.20 cm-tall slide. How far should you place the lens from the slide.
A long, straight wire carrying a current of 5.00 A is placed along the axis of a cylinder of radius 0.500 m and a length of 5.00 m
How much work must this force do to stop the wheel. An electron moving along the x axis has a position given by x = 11te-1t m, where t is in seconds. How far is an electron from the origin when it momentarily stops.
A white billiard ball with mass mw = 1.3 kg is moving directly to the right with a speed of v = 3.42 m/s and collides elastically with a black billiard ball with the same mass mb = 1.3 kg, What is the final speed of the white ball
A battery having an emf of 11.10 V delivers 102 mA when connected to a 61.0 load. Find out the internal resistance of the battery.
Driving in your car with a constant speed of 12 {rm m}/{rm s}, you encounter a bump in the road that has a circular cross-section. If the radius of curvature of the bump is 35 {rm m}, find out the apparent weight of a 69 person in your car as you ..
A car wheel in diameter of 30 inches has a linear velocity of 30 mph. The car accelerates for 10 seconds. What is the angular displacement of the car wheel during the 10 seconds of acceleration
A 115 V electric iron draws 5.57 A of current. How much heat is developed per hour, What is the temperature of the bath
Assume the ball leaves the table moving horizontally with this speed. If the table is 1 meter above the floor, what is the horizontal distance the ball travels before it hits the floor
What is magnitude of induced emf between the ends of beam
The impact with the racket gives the ball a constant acceleration over a distance of 47 cm. Illustrate what is the magnitude of the net force acting on the ball?
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