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A 80 gram, 39 centimeter long rod hangs vertically on a frictionless, horizontal axle passing through its center. A 14 gram ball of clay traveling horizontally at 2.3 m/s hits and sticks to the very bottom tip of the rod.
Find to what maximum angle, measured from vertical, does the rod (with the attached ball of clay) rotate?
A 60-kg object on a frictionless horizontal surface oscillating on a spring that has a force constant equal to 1.5 kN/m has a total mechanical energy of 0.70 J. What is the amplitude of the motion
A 70-kg stunt pilot pulls out a drive while flying at 50 m/s. If he flies a circular path with a radius of 200 m, what force does his seat exert on him at the bottom of the path
An 800 kHz radio signal is detected at a point 9.5 km distant from the transmitter tower. Find the average electromagnetic energy density
To determine the specific heat of an object, a student heats it to 100 in boiling water. She then places the 68.5 object in a 196 aluminum calorimeter containing 135 of water. The aluminum and water are initially at a temperature of 19.5, and are ..
Two billiard balls have velocities of 1.50 m/s and -1.0 m/swhen they meet in an elastic head-on collision. What is the final velocity of the first ball after collision
n = 3.78 mol of Hydrogen gas is initially at T = 366 K temperature and pi = 2.88×105 Pa pressure. How much work did the external force perform
As an electron moves through a region of space, its speed decreases from 6.40 106 m/s to 2.20 106 m/s. Did the electron move to a higher potential or a lower potential
A body is released from rest a long way from the centre of theearth. With what velocity will it hit the earth. Describe htevelocity
A car traveling 56 km/h is 23.0 m from a barrier when the driver slams on the brakes. What was the car's constant deceleration before impact
A man working out in a gym has a metabolic rate of 2500 kJ/h. If he eliminates 0.34 kg of perspiration during that hour, find at what rate is thermal energy dissipated by evaporation of sweat
A 180g block hangs from a spring with spring constant 6.0 N/m. At the block is 31cm below the equilibrium point and moving upward with a speed of 98.0cm/s. What is the block's position at t = 9s.
A solenoid of length 4.48 cm and diameter 0.785 cm is wound with 160 turns per cm. what is the induced emf in one of the windings
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