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Resistor R1=11.9 Ohm is connected in parallel to a combination in series of resistors R2=3.4 Ohm and R3=7.6 Ohm. Combination is connected to an ideal battery of V=8.9 V. Find current through the battery in A.
Two weights are connected by a very light flexible cord that passes over a 30 frictionless pulley of radius 0.100. The pulley is a solid uniform disk and is supported by a hook connected to the ceiling. One weight is 75N and the other is 125 N.
A freight car with a mass of 2500 kg rolls down an inclined track through a vertical distance of 1.5m. at bottom of the incline, on a level track, the car collides and couples with the identical freight car that was at rest. What percentage of th..
In shot putting, several athletes elect to launch the shot at an angle that is smaller than the theoretical one (about 42 degree) at which the distance of a projected ball at the same speed and height is greatest, Find by what percent is the launch..
The figure shows a toroid with N total turns and a current I . Apply Ampere's Law to find the magnitude of the magnetic field inside the toroid and at a distance r from the axis of the toroid. [Make sure you draw a diagram to show the Amperian loo..
What should the charge (sign and magnitude) of a particle of mass 1.21 be for it to remain stationary when placed in a downward-directed electric field of magnitude 610.
Use the data of Table 7.3 to find the point between Mars and the Sun at which an object can be placedso that the net gravitational force exerted by Mars and Sun on this object is zero.
The fastest measured pitched baseball left the pitcher's hand at a speed of 42.0m/s. what acceleration did he give the ball
The pulling force has a magnitude of 81.5 N and is directed at an angle of 30.0° above the horizontal. Identify the coefficient of kinetic friction.
The traces of the rain on the side windows of the car make an angle of 60.0 with the vertical. Find out the velocity of the rain with respect to the following reference frames.
What is the Lens Equation? What do o, i and f stand for in the equation and what are the five parts of the Optical Bench used in this experiment? Briefly describe what each part does.
a woman throws a ball at a vertical wall d 4.6 m away. the ball is h 2.3 m above ground when it leaves the womans
What must the constant acceleration of the car be after the brakes are applied so that the car would come to rest at the stop sign.
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