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A 14gram bullet is fired into the bob of a ballistic pendulum of mass 1.5 kilogram. When the bob is at its maximum height, the support strings make an angle of 60o with the vertical. The length of the pendulum support strings is 2.3 meter. Evaluate what is the initial speed of the bullet?
an unstrained horizontal spring has a length of 0.32 m and a spring constant of 200 nm. two small charged objects are
a uniformly charged sphere which carries a total charge q radius r is rotating along z axis with an angular speed ?.
A 1.50-kg ball has zero kinetic and potential energy. Samdrops the ball into a 6.00-m deep well. Just before the ball hitsthe bottom, what is the sum of its kinetic and potential energy
A small ball with a mass of 49.0g and a charge of ?0.170?C is suspended from the ceiling by a string. What is the tension in the string when the second ball is directly beneath the first ball
The trajectory of a singly ionized helium atom for two full revolutions around the z-axis but using a singly ionized argon atominstead.
A 70.0-kg ice hockey goalie, originally at rest, catches a 0.150-kg hockey puck slapped at him at a velocity of 35.0 m/s. what would their final velocities be in this case
A transformer is to be used to give power for a computer disk drive that needs 6.0V (rms) instead of the 120 V (rms) from the wall outlet. The number of turns in the primary is 400. Discover the number of turns in the secondary?
Consider a solid sphere of radius 15 cm, at a temperature of 68 degrees Celsius. What is the power radiated (in watts) by the sphere
In a physics lab, light with a wavelength of 570nmtravels in air from a laser to a photocell in a time of 17.0ns. What is the wavelength of the light in the glass
A wooden block with mass of 55 grams is floating in a pool, ranging up and down in simple harmonic motion of frequency of 3.00 Hz. At which frequency will swing up and down the bottle
A block of mass 8.4 kg is pulled along a horizontal frictionless floor by a cord, What is the magnitude of the normal force exerted on the mass by the floor
Find the distance in (μm) between the plates of a parallel plate capacitor if, in the dielectric completely filling that region, an electric field of magnitude 67.5 MV/m gives a potential difference of 34.5 kV between the plates.
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