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A positive charge of q1 is located 4.83 m to the left of a negative charge q2. The charges have different magnitudes. On the line through the charges, the net electric field is zero at a spot 1.45 m to the right of the negative charge. On this line there are also two spots where the potential is zero.
(a) How far to the left of the negative charge is one spot?
(b) How far to the right of the negative charge is the other?
A 33 rpm phonograph record reaches its rated speed 1.8 s after it is turned on. What was the angular acceleration
The passes a sleeping tortoise, which immediately starts to chase the bunny with a constant acceleration of 3.9 x 10-3 m/s-2.
A golf ball is dropped from rest from a height of 9.50 m. It hits the pavement, then bounces back up, rising just 5.50 m before falling back down again. find the total amount of time that the ball is in the air
You are to make four straight-line moves over a flat desert floor,starting at the origin of an xy coordinatesystem and ending at the xy coordinates(-145 m, 36 m). The xcomponentand y component of your moves are the following,respectively, in meter..
A soccer player kicks the ball toward a goal that is 37.0 m in front of him. The ball leaves his foot at a speed of 28.8 m/s and an angle of 76.4 ° above the ground. Find the speed of the ball when the goalie catches it in front of the net.
An .8m string has a .3kg mass on the end. If the string breaks at 5000N, what's the max velocity at the top and bottom of a vertical circle
The femur (upper leg bone) is the longest and strongest bone in the body. Taking a typical femur to be approximately circular with a radius of 2.0 cm, how much force would be required to extend the bone by 0.010 %? Y= 1.5 x 1010 N/m2.
A helium ion (Q = +2e) whose mass is 6.6×10?27kg is accelerated by a voltage of 3700V, What is its speed? Express your answer to two significant figures and include the appropriate units
An 81.2-mH inductor and a6.22-µF capacitor are connected inseries with a generator whose frequency is 373 Hz. The rms voltage across the capacitor is2.38 V. Determine the rms voltage acrossthe inductor.
A large truck tire is inflated to a gauge pressure of 82 psi. The total area of one sidewall of the tire is 1,330 in2. What is the net outward force (in lb).
a grandfather clock is controlled by a swinging brass pendulum that is 1.2 m long at a temperature of 21degc. a what is
Your moving car contains a lot of energy as kinetic energy - energy of motion.
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