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A thin spherical shell of silver has an inner radius of 2.84 x 10 -2 m when the temperature is 24.8 °C. The shell is heated to 138 °C. Discover the change in the interior volume of the shell.
A particle of charge +3.0 x 10-8 is in a unifromelectric field directed to the left. It is released from rest andmoves a distance of 5.0 cm and its kinetic energy is increased by+4.5 x -4 J.
an aluminum wire having a cross-sectional area of 3.00 multiplied by 10-6 m2 carries a current of 5.00 a. find the
Suppose that the speed of the water in the reservoir is zero, and that the water flow is steady. Overlook both air resistance and the height difference between the reservoir and the muzzle.
To cook a stew, you use a 4-mm thick steel pot with a bottom surface area of 100 cm2. The heating takes place from a 500oC source. Determine the heat transfer to the stew
A bullet with mass m = 5.21 g is moving horizontally with a speed v = 373 m/s when it strikes a block of hardened steel with mass M = 14.8 kg, What was the change in kinetic energy (J) of the bullet
A block of unknown mass, m, is brought into the configuration shown. It was measured that upon release the block shot upward a maximum distance of 2m. Calculate the mass of this block? The upper spring has a natural length of 1m, and the lower spr..
A woman on a bridge 81.0 m high sees a raft floating at a constant speed on the river below. Find the speed of the raft
A uniform 1.9-kg rod that is 0.78 m long is suspended at rest from the ceiling by two springs, one at each end. Find the angle that the rod makes with the horizontal
An air source heat pump with a heating cop of 4 is used to heat a house. The input rating of the heat pump is 3.3 horsepower. how much electrical energy does it use per month
A long distance power line is to carry 175 megawatts (1.25x10^8W) of alternating current power at distance of 15.0km at a peak voltage of 1.00MV and a frequency of 60Hz.
a proportional control system is to be used to control the wing flaps of a jet airplane. the wind load is expected to
An objects average density, p, is defined as the ration of its mass to its volume: p = M/V. The Earth's mass is 5.94x10^24 kg and its volume is 1.08x10^12 km^3
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