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A 1.40 kg block is attached to a spring with spring constant 18 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 46 cm/s.
A) What is the amplitude of the subsequent oscillations?
B) What is the block's speed at the point where x= 0.30 A?
A toroidal inductor with an inductance of 87.0 mH encloses a volume of 0.0200 m3. what is the current through the inductor
A 3.00-kg block starts from rest at the top of a 27.0° incline and slides 2.00 m down the incline in 1.20 s. Find the frictional force acting on the block
A rope applies a horizontal force of 180N to pull a crate a distance of 2m across the floor A frictional force of 60N opposes this motion.
How far does the object compress the spring if same experiment is performed on the moon, where g = 1.63 m/s2 and air resistance is neglected.
A battery with EMF 6.0 Volts and internal resistance 0.1 ohms is connected by a long wire to a resistor R = 8.0 ohm. If the current in the solenoid is I = 200 Amps and is constant, then what is the current through the 8 ohm resistor
A 16 µF capacitor and a 23 H inductor are connected in series with a 60 Hz source whose rms output is 119 V. Find the voltage drop across the inductor
A bullet hit a block of wood with a mass of 10 kg, traveling horizontally at 300 m/s. What is the recoil velocity of the block
Two circular disks spaced 0.50 mm apart form a parallel-plate capacitor. Transferring 1.50 ×109electrons from one disk to the other causes the electric field strength to be 2.90 ×105N/C
A 100-W driveway light bulb is on 10 hours per day. Assuming thepower company charges 10 cents for each kilowatt-hour of electricity used, estimate the annual cost to operate the bulb.
a pendulum bob of length l has its motion interrupted by a peg vertically beneath the support. the bob is released when
Calculate the wavelength of light in vacuum that has a frequency of 1.8 107 Hz. 16.6666 Correct: Your answer is correct. m What is its wavelength in benzene? (The index of refraction of benzene is 1.501.) Correct: Your answer is correct. m
The peak value of the ac current in a circuit is 6.0 A, and peak value of the ac voltage applied to the circuit is 4.7 V. What is the average power derived to the circuit?
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