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A 125 gram mass us attached to the end of an unstressed vertical spring (of constant 49.4 N/m) and then dropped. The acceleration of gravity is 9.8 m/s2. Find what is its maximum speed?
Answer in units of m/s.
monochromaticlight of wavelength lambda 620nm from a distant sources passes through a slit 0.450 mm wide. the
Suppose the steel alloy is used for an automobile axle that rotates at an average rotational velocity of 600 revolution per minute (RPM). What is the highest lifetime of continuous driving that are allowable at stress level of 310-MPa.
a 50 cm long solenoid has 100 turns of wire and carries a current of .95 A. it has a ferromagnetic core completely filling its interior where the field is .71 T. find the relative magnetic permeability of the material
A car is driven 225 km west and then 78 km southwest (45 degrees). What is the displacement of car from the point of origin (magnitude and direction).
At 18°C, a rod is exactly 20 cm long on a steel ruler. Both the rod and the ruler are placed in an oven at 285°C, where the rod now measures 20.21 cm on the same ruler. What is the coefficient of linear expansion for the material of which the rod ..
a golfer hits a shot to a green that is elevated 3.00 m above the point where the ball is struck. the ball leaves the
question you are designing a motor cycle. to provide a smooth ride you want the bike to loose energy it acquires from
The wavelength of visible light varies from 0.40 ?m to 0.70 ?m as the color of the light changes from violet to red. Calculate the energy of a photon whose wavelength is 0.43 ?m
a train has a mass of 5.86e6 kg and is moving at 57.7 kmhr. the engineer applies the brakes which results in a net
A pressurized cylindrical tank, 5.0 {\rm m} in diameter, contains water which emerges from the pipe at point C, with a velocity of 12 {\rm m/s}. Point A is 10 {\rm m} above point B and point C is 3 {\rm m} above point B. The area of the pipe at po..
A converging lens (f = 14.9 cm) is located 24.6 cm to the left of a diverging lens (f = -7.07 cm). Locate the final image of the stamp relative to the diverging lens
An automatic weapon can fire 68 bullets per minute at V = 290 m/s. If each bullet has a mass M = 40 g, what is the average force in N on the shoulder
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