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A positive point charge Q1 = 2.35 × 10-5 C is fixed at the origin of coordinates, and a negative point charge Q2 = -6.35 × 10-6 C is fixed to the x axis atx = +2.00 m. Find the location of the place(s) along the x axis where the electric field due to these two charges is zero. (Enter the locations in order from -x to +x. If there is only one location, enter 0 in the second box.)
A 116 kg chesterfield is pushed up a frictionless ramp at the constant speed by a delivery person. If the ramp is inclined at 25.80° to horizontal. What is the magnitude of the normal force that is exerted on the chesterfield by the ramp.
A copper block is removed from a 300^0 C oven and dropped into 1 L of water at 20.0^0 C. The water quickly reaches 25.5^0 C and after that remains at that temperature. What is the mass of copper block.
A new event has been proposed for the Winter Olympics. An athlete will sprint 100 m, starting from rest, then leap onto a 18 kg bobsled. How far will Lisa compress the spring
Which would have a higher kinetic energy , an airplane travellingat the speed of sound or an airplane with half the weight of the first plane and travelling twice the speed of sound ?
A butterfly at eye level is 26 cm in front of a plane mirror. You are behind the butterfly, 48 cm from the mirror. What is the distance between your eye and the image of butterfly in the mirror.
a current of 0.77 a flows through a copper wire 0.47 mm in diameter when it is connected to a potential difference of
Block B in the figure below weighs 730 N. The coefficient of static friction between block and table is 0.24. Find the maximum weight of block A for which the system will be stationary
The simple harmonic motion of a 300 g mass on a spring is described by y = 20 cm sin(1.2566t). At t = 1/8 s what is the total energy
A child in a boat throws a 6.40kg package out horizontally with a speed of 10.0 m/s. determine the total work performed by the child
Consider adding four phasors of equal amplitude due to four point sources in a line. What orientation gives sum of zero
At time t1 = 16 s, a car with mass 1100 kg is located at m and has momentum kg · m/s. what is the position of the car
A spherical planet has twice the mass and twice the radius of the earth. If a man weighs 810 N on Earth, what would his weight be on the surface of that planet?
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