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q1 a 050-kg object is attached to an ideal massless spring of spring constant 20 nm along a horizontal frictionless surface the object oscillates in
q1 a stone of mass 031 kg is tied to a string of length 085 m and is swung in the horizontal circle with speed v the string has a breaking-point
q1 a rock of mass m 17 kg is tied to a string of length l 16 m and is twirled in a vertical circle the speed v of the rock is constant that is it
q two spherical conductors are connected by a long conducting wire and a total charge of 200 muc is placed on this combination one sphere has a
q1 a metal sphere has a charge of 89x10-6c what is the net charge after 88 x 1013 electrons have been located on itq2 a helium-neon laser emits light
q1 determine currents i1 i2 and i3 r5 20 ohms suppose the internal resistance of each battery is r 10what is the terminal voltage of the b65v
q1 a 25- sample of an ideal gas with is at 250 and 50 the gas is compressed isothermally to one-third of its original volume then heated at constant
q1 the two parallel plates in the figure below are 20 cm apart and the electric field strength between them is 21 104 nc an electron is launched at a
q two perpendicular long straight wires both of which lie in the plane of the paper the current in each of the wires is i 45 a in the drawing dh
q1 a roller-coaster car speeds down a hill past point a where r1 100 m and then rolls up a hill past point b where r2 130 m as shown belowa the car
q1 two packages at ups start sliding down a ramp 40 degrees from the horizontal package a is sliding down in front of package b package a has a mass
q1 an airplane is flying with the velocity of 850 ms at an angle of 200 degrees above the horizontal when the plane is a distance 107 m directly
q1 a heavy piece of hanging sculpture is suspended by a 94 cm long 46 g steel wire when the wind blows hard wire hums at its fundamental frequency of
q1 the loaded cab of an elevator has a mass of 3000 kg and moves 181 m up the shaft in 23 s at constant speed at what average rate does the force
q1 if one end of a heavy rope is attached to a light rope and wave is sent down the heavy rope what would happen to the frequency speed and
q1 a dental bracket exerts the horizontal force of 800 n on a tooth at point b what is the torque on the root of tooth about point aq2 a pinball
q1 a 370-kg sailboat has an acceleration of 087 ms2 at an angle of 64deg north of east find the magnitude and direction of the net force that acts on
q1 charge is scattered uniformly throughout a long cylindrical shell of inner radius r and out radius 2r at what radius is the electric field equal
q1 megans mass is 30 kg she climbs the 48 m ladder of a slide and reaches a velocity of 28 ms at the bottom of the slide how much work was done by
q1 a ferris wheel is a vertical circular amusement ride with radius 6 m riders sit on seats that swivel to remain horizontal the ferris wheel rotates
q1 a golf ball is struck with a five iron on level ground it lands 953 m away 450 s later what were a direction and b magnitude of the initial
q1 168-kg sled is being pulled across a horizontal surface at a constant velocity the pulling force has a magnitude of 856 n and is directed at an
q1 a cannonball launched with an initial velocity of 161 ms at the angle of 45 degrees follows a parabolic path and hits a balloon at the top of its
q1 the driver of an 1800 kg car travelling on a horizontal road at 100 kmh suddenly applies the brakes because of a slippery pavement the friction of
q1 speedboat a negotiates a curve whose radius is 118 m speedboat b negotiates a curve whose radius is 270 m each boat experiences the equivalent