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The four particles form a square of edge length a = 4.90 cm and have charges q1 = 6.40 nC, q2 = -6.17 nC, q3 = 8.41 nC, and q4 = -8.40 nC. What is the magnitude of the net electric field produced by the particles at the square's center?
A 10.0 liter water bottle is filled to the brim with water when the temperature is 5.00°C. what is the increase in pressure due to the expansion of the water
A 2-kg book with no initial velocity slides down an inclined plane with an angle of 20 degrees a total of 2 meters. The force of friction does 10 Joules of work, what is the final kinetic energy of the system as the book reaches the bottom of the ..
A bouncy ball is dropped from a heigh h above a floor. If every bounce robs the ball of 6.7% of its kinetic energy just before the bounce, how high will it reach before its eleventh bounce
A plane is flying in the horizontal plane. At time t1 = 0 s with the components of its velocity are vx= 100 m/s and vy = 120 m/s. At time t2= 20 s the components are vx = 80 m/s and vy = 142 m/s.
An air spaced parallel plate capacitor is connected to a 12 v battery. If a slab of pyrex glass is inserted between the plates filling the gap, find the new capacitance of the capacitor
A 70-kg astronaut is space-walking outside the space capsule and is stationary when the tether line breaks. As a means of returning to the capsule he throws his 2.0-kg space hammer at a speed of 14 m/s away from the capsule.
A certain engine can exert 75,000 kg m/sec/sec of force. Assuming that all the force is used to accelerate the vehicle on which the engine is mounted, how fast would the vehicle accelerate assuming that it masses 5,000 kg? Neglect friction/air res..
A sinusoidal electromagnetic wave emitted by a cellular phone has a wavelength of 35.4 cm and electric field amplitude of 5.40 x 10-2 V/m at a distance of 250 m from the phone. Calculate the magnetic field amplitude
An 8-kg ball rolling at 2 m/s when it bumps into a pillow and stops. What is the impulse
A 4kg cart is initially moving at 3m/s on a frictionless track. It then hits an incline and stops 2m later. what is the net work done on the cart
You select a rental package that includes a car with an average consumption of 6rm liters of fuel per 100 rm km. Considering that in Europe average fuel cost is 1.063 rm euros/ liter, how much (in US dollars) will you spend in fuel in your trip.
A 0.600 kg hammer is moving horizontally at 8.00 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board. What was the average force exerted on the nail
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