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Q. Two identical point charges (q = +5.20 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.490 m. A test charge (q0 = -6.70 x 10-8 C), with a mass of 5.70 x 10-8 kg, is released from rest at one of the corners of the square. Determine the speed of the test charge when it reaches the center of the square.
Q. Two small objects, A and B, are fixed in place and separated by 2.15 cm in a vacuum. Object A has a charge of +0.821C, and object B has a charge of -0.841C. How many electrons must be removed from A and put onto B to make the electrostatic force that acts on each object an attractive force whose magnitude is 23.6 N?
A truck travels beneath an airplane that is moving 190 km/h at an angle of 26? to the ground.
Find out the radial acceleration of the ball during its circular motion.
An aluminum cup of mass 200 g contains 800 g of water in thermal equlibrium at 80.0c. the combination of cup and water is cooled unformly so that temperature decreases by 1.50c per minute. at what rate is energy being removed by heat.
An electron is projected vertically upward with a speed of 1.65x10^6 m/s into a uniform magnetic field of 0.160 T that is directed horizontally away from the observer. What would the radius of the circle be.
What is magnitude of induced emf between the ends of beam
Vector A has a magnitude of 9.10 units and makes an angle of 54.0° with the positive x-axis. Vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. Using graphical methods find the following.
The pilot of an aircraft wishes to fly due west in a 34.60 km/h wind blowing toward the south. The speed of the aircraft in absence of a wind is 145 km/h.
A 16 kg steel ball is launched from a cannon at an angle of 20 degrees above the horizontal. The cannon exerted an average force of 1200 Newtons on the ball during launch. Now that ball is in the air and has almost reached its target, what is the ..
How far does Tinki drive before passing David.
The venturi flowmeter shown in the figure is used to measure the flow rate of water in a solar collector system. The flowmeter is inserted in a pipe with diameter 1.9 {rm cm}; at the venturi of flowmeter the diameter is reduced to 0.64 {rm cm}. Th..
Three charges are situated at corners of a rectangle. How much energy would be expended in moving the 8µC charge to infinity.
A train has the length of 114 m and starts from rest with a constant acceleration at time t = 0 s. At this instant, a car just reaches the end of the train.
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