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Find the minimum diameter of an l = 18.2 m long aluminum wire that will stretch no more than 7.70 mm when a mass of 339 kg is hung on the lower end. (Hint: The Young's modulus of aluminum is 70.0 GPa.)
A block of mass 0.25 kg connected to a spring with spring constant 34 N/m is oscillating on a frictionless horizontal surface. What is the total energy of the system
The rectangle shown in Figure P3.57 has sides parallel to the x and y axes. Find the perimeter of the rectangle
To stretch a certain spring by 2.40cm from its equilibrium position requires 8.00J of work. What was the maximum force required to stretch it by that distance
Calculate the magnetic field inside a solenoid and the energy stored within the coil given the following information: I = 6A, Number of turns = 200
A car with a mass of 2000 kg is moving east at 24 m/s. It collides with a truck that weighs 3200 kg moving north at 14 m/s. What is the velocity of the vehicles after the impact
An ice hockey puck is sliding along the vertical wall as shown on the picture (top view shown). Puck is moving in the horizontal plane only. Find the velocity of the puck at that point
A helicopter blade spins at 115 revolutions per minute. Its tip is 7.00 m from the center of rotation. What is its average velocity over one revolution
A 2.70-kg object is moving in a plane, with its x and y coordinates given by x=7t^2-3 and y=2t^2+3, Find the magnitude of the net force acting on this object at t=1.60s
Three forces act on a moving object. One force has a magnitude of 82.8 N and is directed due north. What must be the direction of the third force
A simple magnifying glass can focus sunlight enough to heat up paper or dry grass and start a fire. what is the intensity of the image of the Sun
Two particles with masses m and 3m are moving toward each other along the x axis with the similar initial speeds vi. Particle m is traveling to the left, while particle 3m is traveling to the right.
After they have exchanged charge and are placed 24 cm apart the magnitude of the electric force is now 3.6 Newtons. How much charge, in micro-coulombs, was exchanged
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