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Two stretched cables both experience the same stress. The first cable has a radius of 3.6x10-3 m, and is subject to a stretching force of 270 N. The radius of the second cable is 4.8x10-3 m. Determine the stretching force on the second cable.
A car traveling in a straight line has a velocity of +4.1 m/s. After an acceleration of 0.62 m/s2, the car's velocity is +8.8 m/s. In what time interval did the acceleration occur
Electrons are ejected from a metallic surface with speeds ranging up to 4.60 × 105 m/s when light with a wavelength of 625 nm is used. a)What is the work function of the surface? b) What is the cutoff frequency for this surface?
A 5.0-uF capacitor is charged so that the voltage drop across its plates is 5.0V. A 10.0-uFcapcitor is similarly charged so that the voltage drop across its plates is 10.0V. The two charged capacitors are then connected to each other in parallel w..
A 4.5kg box slides down a 4.6m -high frictionless hill, starting from rest, across a 2.4m -wide horizontal surface, What is the speed fo the box just before hitting the spring
To simulate gravitation effects in space, you design a large cylindrical space station with a radius of 200m. Calculate the Rotational Kinetic Energy of the Station
Two cylindrical rods, one copper and the other iron, are identical in lengths and cross-sectional areas. What is the voltage between the ends of the copper rod
A stable and highly soluble pollutant is dumped into a lake at the rate of 0.19 tonnes per day. The lake volume is 2E7 m3 and the average water flow-through rate is 8E4 m3 per day
At what angle have to the laser beam in the diagram be aimed at mirrored ceiling in order to hit the midpoint of the far wall? The length of the room is a=4.9 m and its height is b=3.00 m.
An electric power station is producing 1.2e3 W of power that is to be sent to a small town located 12 km away. Find the power lost in heating the wires
Determine the smallest thickness of the shaft if the allowable shear stress is ?allow=150MPa and the shaft is restricted not to twist more than 0.08rad
Billy has a bucket that has a mass of 150 g, in which he put 150 g of fresh water. He has tied 150-cm of string to the handle of the bucket.
A U-shaped tube is open to the air at both ends and is partially filled with Mercury (density = 13,600 kg/m3). Water (density = 1000 kg/m3) is poured into the left arm until the water is 10 cm deep. How long upward from its initial position does t..
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