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1 a 220 kv power transmission line carrying 500 a is hung from grounded metal towers by ceramic insulators each having
a 1262-kilogram roller coaster car starts at point a almost at rest it runs downhill into a valley at its bottom the
1 a 80 kg sprinter runs around a circular track with a radius of 25 m at a velocity of 12 ms what type of force causes
a what is the angle of incidence that will result in maximum polarization for light reflected from the surface of
1 how do the average measured and calculated velocities for the ball right after the collision compare values are about
1 a coffee cup immersion heater utilizes a heating coil of resistance r 85 ohms if a current of 129a passes through the
1 you are avoiding your physics homework by doing a little physics experiment on the swing set near your home you make
1 a ball is thrown vertically upward from the top of a building that is 441 m high with an initial velocity of 441 msa
1 the bar in the figure falls vertically while maintaining electrical contact with the rails the rail spacing is 35cm
1 batman m 900 kg falls down from an unknown height and lands on the end of 60m long horizontal pice of wood that can
1a beam of parallel incoming light rays reflect off a convex mirror convergently that means that they meet after
1 your boss tells you to load a very heavy box onto a truck you and three of your friends try to lift it but it doesnt
1a calculate the kinetic energy of a 1104-kg car moving at 50 kmh mjb if friction rolling friction and air drag results
1 a certain molecule has a characteristic rotational energy of 556 e-4 ev what is the energy of the decay photon
1 a defibrillator is used to restart a persons heart after it stops beating energy is delivered to the heart by
1consider the circuit in the diagram with six identical bulbs three switches and a battery for the state with switches
1 a conducting rod ab of length d 080 m and mass 010 kg makes contact with the metal rails ad and bc as shown in the
a 1-cm tall object is placed 10-cm in front of a concave mirror a 4-cm tall image is formed infront of the mirrora draw
1a circular coil with 50 turns of wire has a diameter of 600 cm the total resistance of the coil is 0450 an applied
consider a one-dimensional elastic collision in which a moving ball a collides with a stationary ball b assume that the
1 consider the inerferencediffraction pattern resulting from two slits of width a and separation di if d 5a how many
1 a cyclotron uses a magnetic field of 0750 t to accelerate singly ionized lithium ions it has a maximum radius of 0600
1 a damped vibration is given by xt 2e-7t cos10pita find the values of omega gamma omega0 and qb find the time and the