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Q. A ballistic pendulum consists of a chunk of clay suspended from a rope. While a bullet is fired into clay it sticks causing the clay to swing. This is an instance of a totally inelastic collision. If the velocity of pendulum after the collision can be measured, after that the Law of Conservation of Momentum can be used to calculate how fast bullet was travelling before the collision. A 0.04 kg bullet collides in elastically with a 0.5 kg ballistic pendulum. Before the collision the pendulum was at rest but immediately after collision the pendulum is moving with speed of 13.6 m/s. How fast was the bullet travelling before the collision?
An electric heater is constructed by applying a potential difference of 110 V across a wire with a resistance of 5.0 W
The critical angle for total internal reflection for sapphire surrounded by air is 34.4°. Calculate the index of refraction of the substance
The catapult on an aircraft carrier can take an aircraft from 0 to 216 mph in 8 seconds, at which time the aircraft launches
A photon having 27 keV scatters from a free electron at rest. What is the maximum energy that the electron can obtain
A distance away from a uniformly charged spherical object, the magnitude of the electric field is 575V/m and the electric potential is 3.50kV. (a) What is the distance to the center of the object? (b) What is the magnitude of the charge?
Gold, which has a density of 19.3 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber.
An unstrained horizontal spring has a length of 0.34 m and a spring constant of 290 N/m. Two small charged objects are attached to this spring, one at each end. The charges on the objects have equal magnitudes.
Suppose V max = 120 V for an alternating current power source. What is the rms voltage for the source
A student records the temperature of the gas is as he increases the pressure inside the container and plots the data in the graph shown below, How many moles of gas are inside the container
a 5.0 kg object is supported by an aluminum wire of length 2.6m and diameter 2.2mm. How much will the wire stretch
The company's basis in the inventory is $5,000. Explain how large a deduction is it allowed for this charitable contribution?
A cube of ice is taken from the freezer at -8.4^circ C and positioned in a 114 g aluminium calorimeter filled with 322g of water at room temperature of 20.0 C. The final situation is observed to be all water at 15.0C.
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