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A 3.0 cm × 3.0 cm parallel-plate capacitor has 2.0 millimeter spacing. The electric field strength inside the capacitor is 1.5 × 105 V/m.
Evaluate how much charge is on each plate?
For a spherical celestial object of radius R, the acceleration due to gravity g at a distance x from the center of the object is g = g0R2/x2, where g0 is the acceleration due to gravity at the object's surface and x > R. For the moon, take g0 = 1.63 ..
A person walks in the following pattern: 3.1km north, then 2.4 km west, and finally 5.2km south. (a) Sketch the vector diagram that represents this motion. (b) How far and (c) in what direction would a bird fly in a straight line from the same starti..
A skid mark has length 25 m. You measure the coefficient of friction between the tire and road as 0.50. determine the initial speed of the car
The security alarm on a parked car goes off and produces a frequency of 1020 Hz. The speed of sound is 343 m/s. At what speed are you driving
Three charges are positioned on a line. Q1= -2uC, Q2= +5uC, Q3= +3uC. The distance between Q1 and Q2 is a=0.25m. Find the direction of the electric force acting on the charge
A train at rest emits a sound at a frequency of 1045 Hz. An observer in a car travels away from the sound source at a speed of 37 m/s. What is the frequency heard by the observer .
The volume of a monatomic ideal gas increases by a factor of 4 in an adiabatic expansion. Determine by what factor does its pressure change
The 2.4-m reflecting Hubble Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve ifthe wavelength is 500 nm?
the electron gun in a color tv accelerates the electrons through about 25000 volts. estimate the force on such an
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. What is the acceleration of the yellow car
The astronomical object 4U0142+61 has the distinction ofcreating the most powerful magnetic field ever observed. This object is referred to as a "magnetar" (a subclass of pulsars), andits magnetic field is 1.30E+15 times greater than the Earth'sma..
A heavy ball and a light ball are dropped in the absence of air resistance. The two balls will experience the same acceleration. The heavier ball will experience a greater acceleration.
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