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A 7.50-nC charge is located 1.80m from a 4.20-nC charge.
(a) find the magnitude of the electrostatic force that one particle exerts on the other.
(b) Is the force attractive or repulsive
A second converging lens of focal lenght 12 cm is placed to the right of the first lens. If the final image of the combined lens system is virtual and 15 cm from the second lens, then compute the distance between the two lenses
Determine the amount by which the star's thermal radiation increases the entropy of the universe each second. Assume that the star is a perfect blackbody, and that the average temperature of the rest of the universe is 2.73 K. Do not consider ther..
One of the concrete pillars that support a house is 2.5-m tall and has a radius of 0.50 m. The density of concrete is about 2.3 x 10^3 kg/m3. Find out weight of this pillar in pounds (1 N = 0.2248 lb)
River Pascal with a volume flow rate of 3.3×10^5 joins with River Archimedes, that carries 1.09×106 , to form the Bernoulli River. The Bernoulli River is 120 wide and 20 deep.
A 2000kg vehicle is travelling down the road at 20m/s (45 mph) when it reaches an intersection. Between rubber and dry asphalt, the coefficient of friction is 0.80. What is the minimum distance necessary for the car to stop.
what is the absolute magnitude of the force on each charge?
define How long are the skid marks. calculate the time it takes the sled to go 21 m down the slope.
Just after each jumps, that person is moving away from the crate with a speed of 4.40 m/s relative to the crate.
accelerates it to the right. It is observed that it takes the box 3.7 seconds to travel 61 meters. Illustrate what is the magnitude of the force?
A diatomic gas does 320 J of work and also absorbs 600 cal of heat. What is the change in internal energy of the gas?
From what height did the student fall? Assume that the only force acting on him throughout the collision is that as a result of the ground.
A student of weight 665 N rides a steadily rotating Ferris wheel (the student sits upright). At the highest point, the magnitude of the normal force N on the student from seat is 566 N.
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