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Q. The potential at location A is 370V. A positively charged particle is released there from rest and arrives at location B with the speed vB. The potential at location C is 607 V, and when released from rest from this spot, particle arrives at B with twice the speed it previously had, or 2 vB. Find out the potential at B.
Point A is located 0.259 m away from a charge of -2.11 x 10-9 C. Point B is located 0.487 m away from the charge. What is the electric potential difference VB - VA between these two points?
Charges of -q and +2q are set in place, with the distance of 3 m between them. A dashed line is drawn throughout the negative charge, perpendicular to the line between the charges. On the dashed line, at a distance L from the negative charge, there is as a minimum one spot where the total potential is zero. Find L.
Two identical point charges (q = +6.90 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.450 m. A test charge (q0 = -3.20 x 10-8 C), with the mass of 5.20 x 10-8 kg, is free from rest at one of the corners of the square. Determine the speed of the test charge when it reaches the center of square.
What temperature change would reason a 0.20 % enhance in the volume of a quantity of water that was at first at 20 ^circ {rm C}.
With what force F should she pull down on the rope to accelerate herself and platform upward at a rate of 0.77 m/s2.
A scientific supply catalog advertises a material having the index of refraction of 0.85. Is that a better product to buy? Why or why not.
A 0.5 kg block of ice is sliding by you on a very slippery floor at 2.5m/s. As it goes by, you give it a kick perpendicular to its path. Your foot is in contact with ice block for 0.0025 seconds.
A dry cell does 7.5. J of work through chemical energy transfer 5 C between terminals of the cell. What is the electric potential between the two terminal.
A turntable that spins at a constant 73.0 {rm rpm} takes 3.60 {rm s} to reach this angular speed after it is turned on. Find its angular acceleration (in {rm rad/s^{2}}), suppose it to be constant, and the number of degrees it turns through while ..
At one instant, a mass (m = 2 kg) is at the location m and attached to one end of a spring with a spring constant ks = 60 N/m and a relaxed length L0 = 0.22 m. The origin is placed where the other end of the spring attaches to the ceiling.
How much force does a 150,000 N/C force exert on a deuteron.
A car started frm rest and accelerated for 5s at 6.00m/s2.Then it stayed at a constant speed for 20 s. It next slowed down at 3m/s2 until it came to a stop? how far did it travel during the first 5 s.
A 21.5 g bullet strikes a 0.650 kg block attached to a fixed horizontal spring whose spring stiffness constant is 7.30 x 10^3 N/m and sets it into vibration with an amplitude of 21.5 cm. What was the speed of bullet before impact if the bullet and bl..
A small grinding wheel has a moment of inertia of 4.0×10-5 kg m^2. What net torque must be applied to the wheel for its angular acceleration to be 160 rad s^2.
Suppose the Eskimo is pushing the same 50.0-kg sled across level terrain with a force of 50 N. If he does 4 x 10^2J of work on the sled while exerting the force horizontally, through what distance must he have pushed it.
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