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Two parallel plate capacitors have circular plates. The magnitudeof the charge on these plates is the same. However, the electric field between the plates of the firstcapacitor is 10 times larger than the electric field of the second capacitor (Note: the field is measuredclose to the central axis of both the circular plates). Determine the ratio of the diameters of the plates.
Diffraction also occurs with sound waves. Consider 1400-Hz sound waves diffracted by a door that is 93 cm wide. What is the angle between the two first-order diffraction minima
A 10000 N car comes to a bridge during a storm and finds the bridge washed out. How fast should the car be traveling just as it leaves the cliff in order to clear the river and land safely on the opposite side
A 100 block on a frictionless table is firmly attached to one end of a spring with = 27 . The other end of the spring is anchored to the wall. A 22 ball is thrown horizontally toward block with a speed of 5.5.
In this section assume the sound speed in air is 343 m/s . A goose flying toward you at 11.3 m/s emits a squawk, which you hear at 246 Hz . Find the wavelength of the sound you hear
What is the tension T2 in the left-hand cable slanted at an angle of θ2 with respect to the wall? Illustrate what is the angle θ2 which the left-hand cable makes with respect to the ceiling?
A parallel-plate air capacitor with a capacitance of 245 has the charge of magnitude 0.1502 on each plate. The plates have the separation of 0.323.
How much work is done by the horizontal force F_p = 150 N on the 18 kg block of the figure when the force pushes the block 5.5 m up along the 32 degree frictionless incline
Write down the equation for a transverse sinusoidal wave with an amplitude of 2.5 cm and an angular frequency of 2.90 rad/s that is moving along the positive x-direction with a wave speed that is 5 times as fast as the maximum speed of a point on ..
The left ventricle of the heart accelerates blood from rest to avelocity of +24cm/s. How much time does blood take to reach its final velocity?
A turntable must spin at 33.5 rpm (3.51 rad/s) to play an old-fashioned vinyl record. How much torque must the motor deliver if the turntable is to reach its final angular speed in 1.0 revolutions, starting from rest
In the railroad freight yard, an empty freight car of massmrolls along a straight level track at1.0m/s and collides with an initially stationary, What is the speed of the two cars after the collision
As a space craft approaches a planet, the rocket engines on it are fired to slow it down so it will go into orbit around the planet. how long must the engines be fired
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