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Q1. A 484g oscillator has a speed of 121 cm/s when its displacement is 2.10 cm and 56.0 cm/s when its displacement is 7.00 cm. What the max speed of the oscillator?
Q2. A capacitor is connected across the terminals of an ac generator that has a frequency of 370 Hz and supplies a voltage of 15 V. When a second capacitor is connected in parallel with the first one, the current from the generator increases by 0.27 A. Determine the capacitance of the second capacitor. Note: The ac current and voltage are rms values and power is the average value unless indicated otherwise.
Find out the speed of a 56.7 kg thrill seeker at the bottom of the slide, assume no friction. If the thrill seeker has a speed of 24.1 m/s at the bottom, find out the change in mechanical energy due to friction.
What is linear charge density of the insulating shell
Compute average magnetic flux through turn of inner solenoid
Estimate the speed of the water just before striking the turbine blades (overlook air resistance).
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A cannonball shot with the initial velocity of 129 m/s at an angle of 36° follows a parabolic path and hits a balloon at the top of its trajectory. Neglect air resistance, how fast is the cannonball going as it hits the balloon.
An object is 17 mm in front of a converging lens, and the image is 3 mm behind the lens. What is the focal length of the lens? Reply In mm
A resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners.
A hydrometer is used to measure the specific gravity of liquids. For a sure liquid a hydrometer reading indicates a specific gravity of 1.15. What is the liquid's density and specific weight? State the answer in SI units.
Polymer diffusion and Calibration of an optical tweezer
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