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A 35.2 gram silver bullet traveling at 905 mph strikes an armor plate and comes to a stop. If all its energy is converted to heat that is absorbed by the bullet, what is the bullet's temperature change in degrees Celsius?
A body has the weight 12 Newton in air and 10 Newton when it is immersed in fresh water with density 1000 kg/m^3. Calculate the volume of the body and density
A slit of width 0.48 mm isilluminated with light of wavelength 464 nm, Find the widths of the first and second maxima on each side of the central maximum
A test charge is located at a distance of 2.5 × 10-2 m from a charge of 6.4 × 10-5 coulombs. Find what is the electric field at the test charge
Two plane waves have the same omega, k and amplitude E, but opposite circular polarisations (i.e. left and right). Show that the superposition of the two waves is linearly polarised, with amplitude 2E.
An average froghopper insect has a mass of 12.3 mg and reaches a maximum height of 290 mm when its takeoff angle is 58° above the horizontal. Discover the takeoff speed of the froghopper.
Will a grandfather clock which is accurate at 20C run fast, slow, or the same on a 30C day? The clock's pendulum consists of a brass mass supported by a long, thin brass rod.
0.700-kg ball traveling horizontally on a frictionless surface approaches a very massive stone at 20.0 m/s perpendicular to wall, What is the magnitude of the change in momentum of the stone
A bulk modulus of aluminum is 7.1 x 1010 N/m2. If the density of aluminum is 2.7 x 103 kg/m3, then compute what is the speed of sound in aluminum
In a certain toy telescope front lens (the objective lens) has a focal length of 75 mm and the objective lens has a focal length of 10 mm. What is the magnification of the telescope
A sound wave travels in air toward the surface of a freshwater lake and enters into the water. What is the wavelength in the water
The force of repulsion that two like charges exert on each other is 4.0 N. What will the force be if the distance between the charges is increased to 6 times its original value.
A proton accelerates from rest in a uniform electric ?eld of 677 N/C. At some later time, its speed is 9.4 × 10 5 m/s. how far has it moved in this time interval
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