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A copper (Young's mudulus 1.1 x 10^11 N/m2) cylinder and a brass (Young's mudulus 9.0 x 10^10 N/m2) cylinder are stacked end to end, as in the drawing. Each cylinder has a radius of 0.13 cm. A compressive force of F = 5000 N is applied to the right end of the brass cylinder. Find the amount by which the length of the stack decreases?
Your spaceship lands on an unknown planet. You drop a 1.50 kg wrench from 5.50 m above the ground, What is the mass of the planet, in kilograms
A drag racer, starting from rest, speeds up for 402 m with an acceleration of +21.0 m/s2. A parachute then opens, slowing the car down with an acceleration of -5.75 m/s2. How fast is the racer moving 2.90 102 m after the parachute opens?
Amber (n = 1.546) is a transparent brown-yellow fossil resin. An insect, trapped and preserved within the amber, How far below the surface is the insect actually located
An electron is accelerated through 2250 V from rest and then enters a region where there is a uniform 2.00 T magnetic field. What are the maximum and minimum magnitudes of the magnetic force acting on this electron
If the charge is 23 mu/C, the velocity is 1500 m/s, find the force (magnitude and direction) on the charge.
q1. a weather vane initially at rest has a moment of inertia of 0.111 kg bull m2 about its axis of rotation. a 53.0 g
A toaster draws a current os 5 amps when it is connected to a 110 volt ac line. what is the power consumption of the toaster
A plumb bob is suspended from a point in the Northern hemisphere at a latitude of 45o. Find the angle this plumb bob makes
A parachutist with a camera descends in free fall at a speed of 11 m/s. The parachutist releases the camera at an altitude of 100 m. How long does it take the camera to reach the ground
Write a complete set of equations from Kirchhoffs for the circuit -
The maximum horizontal displacement of the pendulum bob from equilibrium is 3.00 cm. Calculate the quantum number n for the pendulum
A typical red blood cell subtends an angle of only 2.0×10?5rad when viewed at a person's near-point distance of 25cm, find the magnitude of the angle subtended by the red blood cell
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