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Q1. A boat with a flat bottom and its cargo weigh 6000N. The area of the boat's bottom is 4m squared. How far below the surface of the water is the boat's bottom while it is floating in the water?
Q2. A parallel-plate capacitor is charged to an electric potential of 337 V by moving 3.95×1016 electrons from one plate to the other. How much work is done in charging the capacitor?
Q3. At 20°C the carbon resistor in an electric circuit connected to a 6.0 V battery has a resistance of 300. What is the current in circuit when temperature of carbon rises to 90°C?
How long does it take for amplitude to drop to half its initial value . How long does it take for mechanical energy to drop to half its initial value.
How do you establish the value of theta
From a cliff that is 9.4 m above a lake, a young woman (mass 44 kg) jumps from rest, straight down into the water. At the instant she strikes the water, what is her de Broglie wavelength.
What is the time of oscillation of block
If the light from the spotlight strikes the mirror at an angle to the normal, what angle to the normal would you expect for the reflected rays.
What would be the radius of curvature of the cornea
How much work is completed in charging the capacitor
The angular momentum of Earth is constant
Estimate the thickness of lead shielding needed to reduce the exposure rate 2.5 m from a 5.92x10^11 Bq point source of Cs-137 to 1.0 mR/hr.
A 6.4kg ball, hanging from the ceiling by a light wire 135cm long, is struck in an elastic collision by a 1.80 ball moving horizontally at 4.20 m/s just before the collision. Find the tension in the wire just after the collision.
A proton moves perpendicular to a uniform magnetic field, B, at 1.6 multiplied by 107 m/s and experiences an acceleration of 1.8 multiplied by 1013 m/s2 in the positive x direction while its velocity is in the positive z direction. Find out the magni..
What is an angular speed about the center of mass
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