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Q1. Five identical charges q = +3.0mC are arranged in a half-circle, each charge 46 degrees from the next. The radius of the circle r = 0.12m. A point charge of q0 = +1.0 mC sits in the center of the circle. What is the magnitude of net force acting on the center charge?
Q2. Plan the velocity/time graphs of the following motions:
a) a tiger that is speeding up at a uniform rate of acceleration while moving in negative direction.
b) An iguana that is slowing down at a uniform rate of acceleration while moving in positive direction.
c) A camel that is slowing down at a uniform rate of acceleration while moving in negative direction.
A rod supports a 2.35 kg lamp. a) What is the tension in the rod? b) Estimate the components of the force that the bracket exerts on the rod.
Find out the lengths of acceleration and deceleration phases
A ball is thrown directly up from the ground with speed vsub0. At the same time, a second ball is dropped from rest from a height H, straight above the point where the first ball was thrown upward. There is no air resistance. A) Find out the time at ..
Two packages at UPS start sliding down a ramp 40 degrees from the horizontal, Package A is sliding down in front of Package B. Package A has a mass of 3.50 and a coefficient of kinetic friction of 0.220. Package B has a mass of 8.00 and a coefficient..
Concept to find certain type of electronic devices & circuits.
Two speakers, one straight behind the other, are each generating a 285 Hz sound wave. What is the smallest separation distance between the speakers that will produce destructive interference at a listener standing in front of them? Suppose that the s..
How many revolutions does wheel make throughout the time
A driver in a car travelling at a speed of 58.0 mi/h sees a deer 126 m away on the road. Calculate the minimum constant acceleration that is necessary for the car to stop without hitting the deer (assume that the deer does not move in the meantime).
The frequency of a tuning fork is 358 Hz. Find the length of the shortest organ pipe which will give 6 beats/s with the fork. The velocity of sound in air is 339.1 m/s.
Sea Launch mission planners are going to launch their Russian launch vehicle from a Lo = 3 degrees into LEO with an inclination of 34 degrees and the longitude of ascending node of 124 degrees. Current LST at the launch site is 1140.
A toy car runs off the edge of the table that is 1.6405 m high. The car lands 0.3311 m from the base of the table how long does it take for the car to fall? The acceleration by reason of gravity is 9.80 m/s2.
Find the energy, in joules, of one quantum of energy for an atomic oscillator in a block of aluminium.
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