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Two capacitors C1 and C2 are connected in parallel to one another and the combination is connected in series to the third capacitor C3. Find the equivalent capacitance of the system if the C1, C2, C3 are respectively 4, 6, 3.6 uF respectively.
How far east of his starting point will he reach the opposite bank? What is the magnitude of his velocity relative to the earth.
A 96 kg person stands on a scale in an elevator. What is the apparent weight when the elevator is accelerating upward with an acceleration of 1.80 m/s^2.
A camera's flash uses the energy stored in a 260?F capacitor charged to 190V . The current in the charging circuit is not to exceed 21mA, What's the resistance in the charging circuit
A person holds a rifle horizontally and fires at a target. The bullet has a muzzle speed of 200m/s, The air temp is 72 degrees Fahrenheit. What is the distance to the target
A small ball of mass 50 g is suspended from a string of length 66-cm and whirled in a circle lying in the horizontal plane. If the string makes an angle of 21? with the vertical, find the centripetal force experienced by ball. The acceleration of ..
Suppose you hear a clap of thunder 15.80 s after seeing the associated lightning stroke. The speed of sound waves in air is 343-m/s, and the speed of light in air is 3.00x 10^8 m/s.
How much sound power will strike the eardrum of an airport worker 15.3 m from the aircraft? (Use 1.9 10-2 m as the diameter of the ear.)
The tension in the string when the ball is at the very bottom of the circle is 4.3 N. At the very bottom of the circle, a very sharp knife is suddenly inserted, to cut the string directly below point of support. How far to the right of where the s..
An arrow is fire with a speed of 20m/s at the block of Styrofoam resting on a smooth surface. The arrow penetrates a certain distance into the block before coming to rest relative to it.
What must the charge (sign and magnitude) of a 1.46 g particle be for it to remain stationary while placed in a downward-directed electric field of magnitude 690.
A string is attached to a rigid support and the cylinder allowed to drop from rest. Find out the acceleration of the cylinder.
A model rocket is launched straight upward with an initial speed of 47.8m/s. It accelerates with a constant upward acceleration of 2.07m/s2 until its engines stop at an altitude of 157 m. What is the maximum height reached by rocket.
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