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1. A 0.350 m gold bar at 20.0°C heats up to 500.0°C. What is the change in length of the gold bar (??=7.8 x 10-6)?
2. A container of water at 30.0°C experiences a volumetric change of 5.00 x 10-3 L. If the original volume of water was 425 mL, what temperature change did it go through?
3.A contractor installing a window in a new building must be aware of the thermal expansion it will undergo to make sure it doesn't crack in its lifetime. The dimensions of the rectangular window(made up with glass) are 4.65000 m by 12.1950 m. If the temperature during installation is 12.5000 °C and it drops to -22.0000°C overnight, what is the change in area of the window?
Two cars, A and B, are traveling in the same direction, although car A is 158 m behind car B. The speed of A is 26.8 m/s, and the speed of B is 18.6m/s. How much time does it take for A to catch B?
question1a solid cylinder of mass 8.9 kg and radius 32 cm is yoked to a spring as shown. to be precise axle of the
An unstable particle at rest breaks up into two fragments of unequal mass. The mass of the lighter fragment is 2.70*10-28 kg and that of the heavier fragment is 1.65*10-27 kg. If the lighter fragment has a speed of 0.893c after the breakup, what is t..
Determine the mass flow rate of steam extracted from the turbine.- The system's isentropic Rankine cycle thermal efficiency.
Assume that the cell is floating on the surface of water, and that the water surface has a coefficient of friction of u=0.300. You now want to use a laser to move cell horizontally, along the surface of the water.
What current is required in the windings of a long solenoid that has 1050 turns uniformly distributed over a length of 0.380 m in order to produce a magnetic field of magnitude 1.00 x 10-4 T at the center of the solenoid
a. Derive Lagrange's equations and find the generalized force. b.Discuss the motion if the force is not applied parallel to theplane of the disk?
A ray of light makes an angle of 25 degrees with the normal to a plane mirror. through what angle is the reflected ray rotated
A beach ball with a radius of 0.5m is rolling along the sidewalk with a speed of 2m s-1. There is a light mist consisting of 3.1 small droplets of water.
In the Biomedical and Physical Sciences building at MSU there are 127 steps from the ground floor to the sixth floor. How much work did the person do
In a friendly game of handball, you hit the ball essentially at ground level and send it toward the wall with a speed of 13 m/s at an angle of 24° above horizontal. How high is the ball when it hits the wall
Two 2.2-mm-diameter beads, C and D, are11 mm apart, measured between their centers.Bead C has mass 1.0 g and charge 2.4 nC. Bead D has mass 2.5 g and charge.
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