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Preparing to throw baton A in the air, you hold it at the midpoint and give it a twist with your forearm and wrist that applies a torque of 1.4 m·N for a time interval of 0.50 s. What angular speed does it have after that? P.S baton A is 80cm long and has mass of 200kg in both end points. BTW If someone can answer one more question this as well, You don't have too, but I just want to check whether if my answer is correct. What would be the moment of inertia? Without the given torque or time interval.
A current of 2.00 A is flowing through a 1000-turn solenoid of length L = 40.0 cm. What is the magnitude of the magnetic field inside the solenoid
A mine elevator is supported by a single steel cable 2.8 cm in diameter. The total mass of the elevator cage and occupants is 520 kg. By how much does the cable stretch when the elevator hangs by (a) 13 m of cable and (b) 364 m of cable? (Neglect the..
One day when you come into physics lab you find several plastic hemispheres floating like boats in a tank of fresh water. What is the mass of the heaviest rock that, in perfectly still water, won't sink the plastic boat
the 15,000kg boxcar A is coasting freely at 1.5 m/s on the horizontal track when it encounters tank car B having a mass of 12,000kg and coasting at .75 m/s if the cars meet and couple together
A 1000- kg car collides with a 1200- kg car that was initially at rest at the origin of an x-y coordinate system. What was the initial speed of the lighter car (in km/h)
An automobile battery has an emf of 12.60 V and an internal resistance of 0.084 0 ?. The headlights together have an equivalent resistance of 5.800 ? (assumed constant).
An airplane has a mass of 28,000 kg and takes off under the influence of a constant net force of 44,000 N
A worker drags a crate across a factory floor by pulling on a rope tied to the crate. Calculate the magnitude of the acceleration of the crate
Sam (68.3 kg) and Alice (41.5 kg) stand on an ice rink, providing them with a nearly frictionless surface to slide on. Sam gives Alice a push, Calculate the change in the kinetic energy of the Sam-Alice system
A person who weighs 680 N is riding a 98-N mountain bike. Suppose the entire weight of the rider and bike is supported equally by the two tires. If the gauge pressure in each tire is 6.45 105 Pa, what is the area of contact between each tire and the ..
A proton is located at x = 1.0 nm, y = 0.0 nm and an electron is located at x = 0.0 nm, y = 4.0 nm. Find the attractive Coulombic force between them
If that angular acceleration is 1.8 rad/s^2, illustrate what is the total moment of inertia about the axis of you and the chair?
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