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the open circuit terminal voltage of a battery is 126 volt when a resistor r 400 ohm is connected between the
a 25 newton block rests on a horizontal surface the coefficients of kinetic and static friction between the surface and
assume the coefficient of static friction between the road and the tires on a car is 060 and the car has no negative
an 8 kilogram bullet is shot into a 4 kilogram block at rest on a frictionless horizontal surface the bullet remains
a circular loop with radius r and mass m carries a current i and is lying on a rough but considerably flat table a
a non-conducting infinitely long cylinder of radius r lies along the z-axis five very long conducting wires are located
two closely spaced circular disks form a parallel plate capacitor transferring 15 x 109nbspelectrons from one disk to
a 47-ohm-resistor can dissipate up to 025 watt of power without burning up find the smallest number of such resistors
a batter strikes a baseball moving horizontally towards him at 15 ms this ball leaves the bat horizontally at 24 ms 40o
a sled with mass 800 kilogram moves in a straight line on a frictionless horizontal surface at one point in its path
two masses m1 10 kilogram and m2 8 kilogram are accelerated by a force of 60 newton at an angle of 53o above the
in a non-conducting region voltmeter measurements show that the potential has a spherical symmetry with voltage varying
a girl is skipping rocks across a lake one of the rocks accidentally ricochets off a toy boat initially at rest in the
a diver runs horizontally off the end of a diving board with an initial speed of 185ms if the diving board is 300 meter
crossed magnetic and electric fields are established over a certain region the magnetic field is 90 t vertically
a 16 kilogram softball is pitched to you at 36 ms you hit the ball back along the similar path and at the same speed if
a ball m10 g is launched straight upward by a spring the spring was initially compressed 25 centimeter by a force of
a 460 kilogram ball moving to the right positive direction at a velocity of 160 ms on a frictionless table collides
a cannon launches a projectile at a speed of 753 ms at an angle of 600o above the horizontal evaluate how high does it
an 845 kilogram race car can drive around an unbanked turn at a maximum speed of 62 ms without slipping the turn has a
a light beam containing violet and red wavelengths is incident on a slab of quartz at an angle of incidence of 666
a projectile is launched with a velocity of 20ms at 60o with the grounda find vy and vxb if the angle is changed to 30o
at an accident scene on a level road investigators measure a cars skid mark to be 70 meter long it was a rainy day and
a 22 gram rifle bullet traveling 410 ms buries itself in a 48 kilogram pendulum hanging on a 26 meter long string which
a cyclist starts from rest and rides in a straight line increasing speed so that her wheels have a constant angular