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A 5.0 C charge is 10m from a -2.0C charge. What is the electrostatic force on the positive charge?
1. 9.0X10^8 N toward neg charge
2. 9.0X10^8 N away from the neg charge
3. 9.0X10^9 N toward the negative charge
4. 9.0X10^9 N away from the neg charge
5. none of these
What is the magnitude of the horizontal net force. An 845-N sled is pulled a distance of 168 m. The task requires 1.20 multiplied by 104 J of work and is done by pulling on a rope with the force of 121 N. At what angle is the rope held.
A cart of a mass 300 kg is pushed up a track at an angle of44 degrees from the bottom to a position that is 30m higher thanthe bottom in a time of 25 seconds. What is the velocity at the bottom
Two parallel, uniformly charged, infinitely long wires carry opposite charges with a linear charge density ? = 2.15 ?C/m and are 6.69 cm apart. What is the magnitude of the electric field at a point midway between them and 54.3 cm above the plane ..
A 1460-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant force of 16300 N on the submarine, What is the submarine's acceleration
A child pulls on a wagon handle at an angle 37° above the horizontal with a force of 45 N. what is the mass of the wagon
The stars ? Aurigae A and ? Aurigae B constitute a double-lined spectroscopic binary with an orbital period of 3.96 days. what are the masses of the two stars
a. calculate the launch speed of a projectile that rises vertically above the earth to an altitude equal to one earth
A horizontal water main with a cross-sectional area of 196 cm2 necks down to a pipe of area 40.4 cm2. Determine the flow rate through the system, taking the fluid to be ideal
A 2.40-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 3.20sin(2?t), Find the resonance angular frequency of the system
At the same instant that you fire a bullet horizontally from agun, you drop a bullet from the height of the barrel. which bullet hits the ground first.Explain
In an oscillating LC circuit, L = 3.20 mH and C = 2.60µF. At t = 0 the charge on the capacitor is zero andthe current is 2.30 A. What is the maximum charge that will appearon the capacitor in C?
A room has dimensions 2.84 m (height) × 4.91 m × 6.79 m. A fly starting at one corner flies around, ending up at the diagonally opposite corner. What is the magnitude of its displacement
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