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Three charges are arranged as shown in the figure below. Find the magnitude and direction of the electrostatic force on the charge q = 5.14 nC at the origin. (Let r12 = 0.305 m.)
A 750 kilogram elevator starts from rest. It moves upward for 3.50 second with constant acceleration until it reaches its cruising speed, 1.75 m/s. Find how does this power compare with the motor power when the elevator moves at its cruising speed
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of 0.159 N when their center-to-center separation is 43.2 cm. calculate the positive charge in coulombs on the other
A steel band exerts a horizontal force of 76N on a tooth at point B. What is the torque on the root of the tooth about point A.
A 1350 kg car accelerates uniformly from 35.5 km/h to 75.5 km/h over 250 m. Determine the time taken for the car to accelerate
A baseball player runs 27.4meters from batter's box to first base,overruns first base by 3.0 meters,and then returns to first base. Compared to the total distance traveled by the player,magnitude of the players total displacement from the batters ..
A wheel rolls 5 revolutions on a horizontal surface withoutslipping. If the center of the wheel moves 3.2 m, what is the radius of the wheel
At a carnival, you can try to ring a bell by striking a target with a 7.99-kg hammer. How fast must the hammer be moving when it strikes the target so that the bell just barely rings
can please explain question as an airplane taxies on the runway with a speed of 16.0 a flight attendant walks toward
A system of 1506 particles, each ofwhich is either an electron or a proton, has a net charge of-4.704 10-17 C. What is the mass of this system
A stamp collector is viewing a stamp by a magnifying glass held next to her eye. Her near point is 25 cm from her eye.(a) What is the refractive power of a magnifying glass that has an angular magnification of 5.2 when the image of the stamp is locat..
If the fish is at rest at the water's surface, what is the least amount of time in which the fisherman can raise the fish to the dock without losing it
A 60 kg person drops from rest a distance of 1.20m to a platform of negligible mass supported by a stiff spring. The platform drops 6cm before the person comes to rest.
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