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What is the maximum load that could be suspended from a copper wire of length 1.0 m and radius 1.0 mm without breaking the wire? Copperhas an elastic limit of 2.0 x 10^8 Pa and a tensile strength of 4.0 x 10^8 Pa.
Find the final velocities of (a) the 2.70-kg ball and of (b) the 7.10-kg ball if the collision is elastic. (c) Find the magnitude and direction of the final velocity of the two balls if the collision is completely inelastic.
An incredibly large slingshot is stretched 1.5 meters to launch a 180.0-gram projectile with a speed sufficient to escape from the Earth (11.2 km/s). How many people would be required to stretch the slingshot
You are standing 4.5m from a convex security mirror in a store. You estimate the height of your image to be half of your actual height. Estimate the radius of curvature of the mirror
Consider the model of nerve conduction in myelinated axons presented in the chapter. How would this affect the time constant for the charging of one segment
An electric vehicle starts from rest and accelerates at a rate of2.2 m/s2 in a straight lineuntil it reaches a speed of 14 m/s. The vehicle then slows at a constant rate of 1.0 m/s2 untilit stops. How much time elapses from start to stop?
A 280g ball is dropped from a height of 1.6m , bounces on a hard floor, and rebounds to a height of 1.1m. What maximum force does the floor exert on the ball
A 1.55--tall fisherman stands at the edge of a lake, being watched by a suspicious trout who is 3.50 from the fisherman in the horizontal direction, At what angle from the vertical does the fish see the top of the fisherman's head
Horizontally polarized light passes through two ideal linear polarizers with transmission directions making angles of ? and - ? with the horizontal direction. Find polarization state of the emergent light
A person in a car is driving down a straight road. The instantaneous acceleration is decreasing with time, What is happening to the speed of the car
A person takes in a breath of 10!C air and holds it until it warms to 37.2!C. The air has an initial volume of 0.73 L, find the work done by the air on the lungs
solve this problem using either tabulated values from the tables or constant specific heats. Calculate the temperature of the exit stream
An 20cm--long bicycle crank arm, with a pedal at one end, is attached to a 25cm--diameter sprocket, What is the tangential acceleration of the pedal
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