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Two metal plates are held together with two steel rivets, each of diameters of 0.20 cm and length 1.0 cm. How much force should be applied parallel to the plates to shear off both rivets?
A .45 caliber bullet of mass 16.2g strikes a stationary wood blockwith a mass of 500g at 331m/s. Find the distance the spring is compressed after the collision
Two infinite long wires are parallel to one another and are 5.0 cm apart. Both have current passing through them in the same direction. What is the resulting force on the 1.0 A wire
a 15m long string of mass 1.8 kg is stretched such that the tension in the string is 25 n. a wave of frequency 20 hz is
A person pulls a toboggan for a distance of 32.7 m along the snowwith a rope directed 24.9 ° above the snow. The tension in therope is 91.6 N. (a) How much work is done on thetoboggan by the tension force? (b) How much workis done if the same tension..
A photon is emitted when a hydrogen atom undergoes a transition from the n = 10 state to the n = 4 state. Calculate values for the following. (a) the wavelength nm (b) the frequency Hz (c) the energy of the emitted photon eV
question1a small asteroid of mass 2.6e9 kg is revealed travelling at a speed of 18kms on a direct heading for starbase
a coil of nichrome wire is 31.0 m long. the wire has a diameter of 0.360 mm and is at 20.0degc.a if it carries a
a projectile is fired at angle of theta from the horizontal with an initial velocity of vo. the projectile strikes the
A human eyeball is about 2.0 cm long, and the pupil has amaximum diameter of about 8.0 mm. What is the "speed" of this lens
an ideal gas initially at 20c and atmospheric pressure is placed in a solid cylinder with height 100cm and radius 5cm
As morning sunlight falls on a tethered helium balloon, it expands from a volume of 1.10 cross 103 m3 to a volume of 1.17 cross 103 m3. how much does the helium's internal energy increase
A beetle 4.80mm is examined with magnifier of focal length 10.3 cm. what is the apparent length of the beetle
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