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A bullet of mass m and speed v passes completely through a pendulum bob of mass M. The bullet emerges with a speed v/2. The pendulum bob is suspended by a stiff rod of length and negligible mass. What is the minimum value of v such that the pendulum bob will barely swing through a complete vertical circle? (Use M for M, m for m, l for , and g for gravity, as necessary.)
Status Newton's First Law of motion.
Two capacitors are connected in a parallel combination. C1=6.0 x 10^-6 farad and C2= 3.0 x 10^-6 farad.the voltage applied to the combination is 120 volts. determine the charge that is stored on capacitor C2.
Find out the distance traveled (in meters) by the jet as the observer watches the nose of the jet cross from one side of the moon to the other.
The average intensity of sunlight at the top of the earth's atmosphere is 1390 W/m2. What is the most energy that a 30 m multiplied by 55 m solar panel might collect in one hour in this sunlight.
A man whose mass is 80kg on the earth's surface is in a spacecraft at a height of 2 Earth radii above the earth's surface. At that height what is the acceleration due to gravity
A uniform ladder is 10-m long and it weighs 100-N. The ladder leans against a smooth wall with its base on a sidewalk 6-m from the base of the wall. Find the force exerted on the ladder by the wall
A dead battery is charged by connecting it to the live battery of another car with jumper cables. Determine the current in the dead battery
A physics student playing with an air hockey table (a frictionless surface) finds that if she gives the puck a velocity of 3.87m/s along the length ( 1.78m ) of the table at one end, What is the angle of inclination
A proton in the upper atmosphere moves at 9.8×105m/s , perpendicular to Earth's magnetic field, Find the curvature radius of the proton's trajectory
Suzanne observes two light pulses to be emitted from the same location, but separated in time by 2.70 µs. How fast is Mark moving relative to Suzanne
High voltage power lines are made of aluminum and often start with an electric potential of around half a million volts, How much potential is lost due to resistance in the lines as a function of length
Three positive particles of charges 1 ?C, 2 ?C, 3 ?C, and 4 ?C, are located at the corners of a square of side 1 cm. Calculate the potential in the center of the square
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