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A 3.8 kg bucket of water is raised from a well by a rope. The acceleration of gravity is 9.8 m/s2 . If the upward acceleration of the bucket is 1.7 m/s2, find the force exerted by the rope on the bucket.
The arm of a crane at a construction site is 14.4 m long, and it makes an angle of 40° with the horizontal. Assume that the upmost load the crane can handle is limited by the amount of torque the load produces at the base of the arm.
A 5.56 10-5 H solenoid is constructed by wrapping 62 turns of wire around a cylinder with a cross-sectional area of 8.30 10-4 m2 , Determine the change in the length of the solenoid.
a ball is launched with a velocity of magnitude 7.00 m/s, at an angle of 40.0° to the horizontal. find the angle of its displacement from the launch point
A 7.28-%u03A9 resistor is connected across a 9.00-V battery. The voltage between the terminals of the battery is observed to be only 7.27 V. obtain the internal resistance of the battery
Radioactive decay of granite and other rocks in the Earth's interior provides sufficient energy to keep the interior molten, heat lava, and supply warmth to natural hot springs.
A 45.0 resistor, a 0.100 H inductor, and a 10.0 µF capacitor are connected in series to a 60.0 Hz source. The rms current in the circuit is 2.55 A. Find the rms voltages across the inductor
A 60.0-g object is attached to a horizontal spring with a force constant of 15.0 N/m, What is the velocity of the object when it is halfway to the equilibrium position if the surface is frictionless
A 0.32-kg object connected to a light spring with a force constant of 22.4 N/m oscillates on a frictionless horizontal surface. Determine the maximum speed of the object
a ball mass of 5 grams and radius of 1.5 cm is rolled up a frictionless ramp that is 30 degrees above horizontal with an iniitial velocity of 4 m/s
A car is moving with constant acceleration along a straight road. Determine how the velocity varies for positive acceleration if the car is initially moving to the right with a speed of 10.0 m/s
flash decides to make a capacitor at homes. Flash takes two thin, flat, rectangular aluminum plates measuring 35 cmby 50 cm. find the capacitance of flash's creation
A target glider, whose mass m2 is 320 g, is at rest on an air track, a distance d = 53 cm from the end of the track. A projectile glider, How much more time elapses before the gliders collide again
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