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The drawing shows a point charge q = +0.58µC and two locations A and B. What is the electric potential differenceVB - VA between these two locations? Be sure to include the properalgebraic sign.
VB -VA =
Infrared light of wavelength 2.5 illuminates a 0.20-mm-diameter hole. What is the angle of the first dark fringe in rad, in deg? and sin (fi)=lambda/D is not the formula
A woman of mass m = 50.9 kg sits on the left end of a seesaw-a plank of length L = 3.99 m, Find the normal force exerted by the pivot if the plank has a mass of mpl = 13.4 kg
The springs of a 1800kg car compress 5.4mmwhen its 64kg driver gets into the driver's seat.If the car goes over a bump, what will be the frequency of oscillations
A nearsighted patient's far point is 0.521 m from her eyes. What is the distance between her eyes and the glasses
A high-tension power line composed of aluminum wire with cross-section area 24 x10?6 m2 carries a current of 1100 A. What is the power loss over 50 km of wire
A string oscillates according to the equation below. y = (0.30 cm) sin[(?/3 cm-1)x] cos[(20? s-1)t] , What is the distance between nodes
A car is towing a boat on a trailer. The driver starts from restand accelerates to a velocity of +10.3 m/s in a time of 31 s. Thecombined mass of the boat and trailer is 409 kg. The frictionalforce acting on the trailer can be ignored. What is the te..
Two electric charges q1 = +10 ?C and q2 = -20 ?C are located 0.35 m apart. How much work is required to double the distance between the charges
At relatively high temperatures nitrogen and oxygen more readily form a compound according to: N2(g) + O2 2NO(g). Calculate kp given that the initial pressures of nitrogen are 95 atm and 80 atm
A 18 g rifle bullet traveling 230 m/s buries itself in a 3.6 kg pendulum hanging on a 2.8 m long string, obtain the horizontal component of the pendulum's displacement
A car is traveling at 95.0 km/hr when it collides with a stone wall. The car comes to rest after the first 30.0 cm of the car is crushed. what would the average force acting on the driver
A 100 meter length of steel changes temperature by 30 C during the course of a day. If the coeffcient of thermal expansion of steel is 12 parts per million per C, what is the change in length of the steel
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