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A 0.0425 kg bullet traveling horizontally with a velocity of magnitude 415 m/s is fired into a wooden block with mass 1.12 kg, initially at rest on a level surface with a coefficient of friction μ=.27. The bullet passes through the block and emerges with its speed reduced to 122 m/s. How fast is the block moving just after the bullet emerges from it?
Object A of mass 1 kg and velocity 10 m/s east collides with object B of mass 2 kg and veocity 8 m/s south. What is the velocity of object B after the collision
A 105-kg horizontal platform is a uniform disk of radius 1.77 m and can rotate about the vertical axis through its center. Find the moment of inertia of this system
according to lenzs law the direction of an induced current in a conductor will be that which tends to produce which of
A simple pendulum has a mass of 0.650 kg and a length of 2.00 m. It is displaced through and angle of 7.0 degrees and then released. what is the maximum restoring force using harmonic
A 105 granite cube slides down a 40 frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 265 steel cube at rest. How high above the table must the granite cube be released to give the steel cube a speed of..
You are able to hold out your arm in an outstretched horizontal position because of the action of the deltoid muscle. Find the tension in the deltoid muscle
Bob has just finished climbing a sheer cliff above a beach, and wants to figure out how high he climbed. All he has to use, however, is a baseball, a stopwatch, and a friend on the ground below with a long measuring tape, How high up is Bob
a converging lens forms a real image 1.27 times the size of the object. The object distance is 22cm. Find the distance of the focal point from the center of the lens
a woman and her dog are out for a morning run to the river which is located 3.51 km away. the woman runs at 3.75 ms in
The range of human hearing extends from approximately 20 Hz to 20000 Hz. Find out the wavelengths of these extremes while speed of sound in air is equal to 348 m/s.
Using the Rayleigh criterion, one concludes that using fixed wavelength light that it is not possible to resolve details less than about
inside an insulated container a 250-g ice cube at 0 degc is added to 200 g of water at 18 degc.i what is the final
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