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A commonly used method of fastening one part to another part is called "shrink fitting." A steel rod has a diameter of 2.0023 cm, and a flat plate contains a hole whose diameter is 2.0000 cm. The rod is cooled so that it just fits into the hole. When the rod warms up, the enormous thermal stress exerted by the plate holds the rod securely to the plate. By how many Celsius degrees should the rod be cooled?
C °
A train is travelling up a 3.2 degree incline at a speed of 3.55 m/s as the last car breaks free and begins to coast. How long does it take for the last car to come to rest.
A proton moves perpendicular to a uniform magnetic field B at a speed of 1.10 107 m/s, evaluate the magnitude and direction of the field
A ranger in a national park is driving at 44 km/h when a deer jumps onto the road 70 m ahead of the vehicle. After a reaction time of t s, the ranger applies the brakes to produce an acceleration of -3.00 m/s2.
A closed box has two metal terminals a and b. The inside of the box contains an unknown emf emf in series with a resistance R, Find the emf and R
A square loop of wire has sides of length 3 cm. A magnetic field points out of the screen; its magnitude is B = 3.0t2y, What is the emf around the square at t = 2.00 s
Classical Mechanics: Projectile Motion, A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8.80 m/s at an angle of 21.0° below the horizontal. It strikes the ground 3.00 s later.
A 51.1 kg bungee jumper jumps off a bridge and undergoes simple harmonic motion. what is the spring constant of the bungee cord
A person with a mass of 71.6 kg and a volume of 0.089 m3 floats quietly in water. find the volume of the person that is above the water
A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 41 omegacap.gif at 20°C. what is the temperature coefficient of resistivity
Two blocks are travelling towards eachother. The first has a speed of 10cm/sec and the second has a speed of 60 cm/sec. compute the velocity of the first block after collision
If you had a single polarizer, how might you determine whether or not light from a room light was polarized when emitted from the bulb.
An object is being pushed up an inclined plane with a constant force F = 100. N. The plane makes an angle of 30.0° with respect to the horizontal, What is the mass of the object
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