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A galvanometer has a coil resistance of Rgalv = 89.7 ?. It is to be made into an ammeter with a full-scale deflection equal to I = 2.35 A. If the galvanometer deflects full scale for a current of Igalv = 135 mA, what size shunt resistor should be used?
A man throws a 0.200kg rock off the top of a 50.0m cliff at an angle of 40.0 degrees above the horizontal. What is the kinetic energy of the rock
A 60.0-kg runner expends 335 W of power while running a marathon. determine the volume of bodily fluid (assume it is water) lost per hour
What is magnitude of the Coulomb force
a 5.0*10^2 N laod is lifted 6.0 m with a pulley. the force exerted on the pulley rope is 165 N and the efficiency is 65 %. how far is the rope pulled
Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 50.0 deg. Find the angle the resultant force makes with the rope of dog A
Evaluate the magnitude of the apparent weight of a 84 kg astronaut 4500 km from the center of the Earth's Moon in a space vehicle accelerating toward the Moon at 3.1 m/s^2?
A wooden block of mass M = 0.170 kg is placed on a wooden inclined board 0.930 m long and raised to a height h1 = 0.050 m at the lower end and h2 = 0.080 m at the upper end, Draw the FBD of the block on the plane. Calculate work done on the block ..
A uniform electric field of magnitude 380 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. What is the velocity of the electron and direction
When a 47.0-V emf device is placed across two resistors in series, a current of 15.0 A is flowing in each of the resistors. find the magnitude of the larger of the two resistances
A cylinder contains a mixture of helium and argon gas in equilibrium at a temperature of 247 ? C. Boltzmann's constant is 1.38066 × 10 ?23 J/K, What is the rms speed of argon
A 720 gram grinding wheel 30.0cm in diameter is in the shape of a uniform solid disk. What torque does friction exert while this wheel is slowing down
A 9.0 cm-diameter disk emits light uniformly from its surface. 20 cm from this disk, along its axis, is an 7.0 cm-diameter opaque black disk; the faces of the two disks are parallel. 20 cm beyond the black disk is a white viewing screen. The light..
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