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The front and rear sprockets on a bicycle have radii of 9.00 and5.10 cm, respectively. The angular speed of the front sprocket is 9.70 rad/s. Determine the following
(a) The linear speed of the chain as it moves between the sprockets.(b) The centripetal acceleration of the chain as it passes aroundthe rear sprocket.
An airplane is flying with a velocity of 90 at an angle of 22 above the horizontal. When the plane is a distance 122 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
A 600-kg geosynchronous satellite has an orbital radius of 6.6 Earth radii. What gravitational force does Earth exert on the satellite
A rock is tossed straight up with a speed of 29 m/s. How long is the rock in the air, from the instant it is released until it hits the bottom of the hole
A rock is thrown downward from the top of a 39.8-m-tall tower with an initial speed of 9 m/s. Assuming negligible air resistance, what is the speed of the rock
Two Carts have a perfectly inelastic collision. Cart A has mass 34.8 kg and velocity 5.08 m/s directed north immediately before the collision. What is the speed of the two carts
A proton orbits a long charged wire, making 5.66 *106 revolutions per second. What is the wire's linear charge density
The radius of a proton is 0.9e-15 m; suppose that if the particles touch, the distance between their centers will be twice that. What will be the total kinetic energy of both particles an instant before they touch.
A uniform 1-kg disk with a radius of 25 cm rolls 2 m down an incline plane angled at 25°. What is the speed of the disk at the bottom of the plane
A 56.1 kg child is standing on the outer edge of a merry-go-round which has moment of inertia 864 kg.m^2 and radius 2.40 m. Find the angular velocity if the child moves to a final position
A solenoid is designed to produce a magnetic field of 2.50×10?2 at its center. It has a radius of 1.70 and a length of 44.0 , What total length of wire is required
Knowing the sign of the work done on an object is a crucial element to understanding work. Positive work indicates that an object has been acted on by a force that tranfers energy to the object, thereby increasing the object's energy. Negative wor..
During a violent storm, a car is struck by a failing high-voltage wire that puts an excess charge of -850 mircoC on the metal car. a) how much of this charge is on the inner surface of the car? b) how much is on the outer surface of the car?
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