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A capacitor is connected across the terminals of an ac generator that has a frenquency of 460 Hz and supplies a voltage of 24 V. When a second capacitor is connected in parallel with the first one, the current from the generator increases by 0.18 A. Find the capacitance of the second capacitor.
A textbook of mass 2.05 kg rests on a frictionless, horizontal surface. What is the tension in the part of the cord attached to the book
what is the acceleration of the wallet. If the contact between ball and ground lasted 1.6ms, what average force was exerted on ball.
Illustrate what is the highest point above the water she reaches? If she walked off the diving board rather than springing up would she be travelling faster, slower, or at teh same speed when she hits the water?
A block-spring system oscillates with an amplitude of 3.65 cm. The spring constant is 250 N/m and the mass of the block is 0.200 kg. Determine the mechanical energy of the system
The angular momentum of the electron as it moves around the center of the circle is 1.40 × 10-25J•s.Find the radius of the circular path.
A high-speed lifting mechanism supports a 745-kg object with a steel cable that is 31.0 m long and 4.00 cm2 in cross-sectional area. Determine the elongation of the cable
A photon of wavelength 0.87671 nm strikes a free electron that is initially at rest. What is the speed of the recoil electron after the collision
A rectangular fish tank measures 30 cm by 75 cm by 40 cm high. The tank is filled with water to a depth of 37 cm. What is the total force of the water on the bottom
A hoop of mass M and radius R is rotating about an axle at the edge of the hoop. what is the speed of the lowest point on the hoop
A toboggan approaches a snowy hill moving at 10.9 m/s. The coefficients of static and kinetic friction between the snow and the toboggan are 0.470 and 0.320, Find the acceleration of the toboggan as it is going up the hill
A solid, uniform ball rolls without slipping up a hill, as shown in the figure . At the top of the hill, it is moving horizontally; then it goes over the vertical cliff. How fast is it moving just before it lands
An airplane, diving at an angle of 48º with the vertical, release a projective at an altitude of 830m. What was the vertical component of its velocity just before striking the ground
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