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two rigid rods are oriented parallel to each other and to the ground the rods carry the same current in the same
a 165 m length of wire is formed into a single-turn square loop in which there is a current of 12 a the loop is placed
a laser beam 6320 nm is incident on two slits 0280 mm apart how far apart are the bright interference fringes on a
a 111 10-3 microf capacitor has an initial charge of 0100 c when a resistor is connected across the capacitor plates
capacitors wont hold a charge indefinitely as time goes on charge gradually migrates from the positive to the negative
a capacitor constructed of two metal plates which are 160 cm long and 4 cm wide they are separated by a distance fo 02
a golfer driving a golf ball off the tee gives the ball a velocity of 31 ms the mass of the ball is 0045 kg and the
a piece of nichrome wire has a radius of 700 10-4 m it is used in a laboratory to make a heater that dissipates 300 102
a crate of mass m1 on a frictionless inclined plane is attached to another crate of mass m2 by a massless rope the rope
if a saturn v rocket with an apollo spacecraft attached has a combined mass of 24 multiplied by 105 kg and reached a
during the spin cycle of your clothes washer the tub rotates at a steady angular velocity of 331 rads find the angular
rachel is on the roof of a building h meters above ground she throws a heavy ball into the air with a speed v at an
tom is driving at 45mph toward a grade crossing and he is at 800ft from the garde crossing there is no gate at this
a 1200 kg airplane is flying in a straight line at 80 ms 13 km above the ground what is the magnitude of its angular
a 50kg object is sitting on top of a pistion that is supported by a cushion of air in a cylinder the radius of the
your portable phones 12v battery is dead its a holiday and all the stores are closed you do have two 15v batteries from
the primary coil of a transformer draws a 40 a rms current when plugged into a 120v outlet the secondary voltage is 40v
the image produced by a concave mirror is located 36 cm in front of the mirror the focal length of the mirror is 22 cm
two charges q1 minus300 mc and q2 450 mc are located at minus200 cm and 300 cm on the x axis respectively what are
the apollo lunar module was used to make the transition from the spacecraft to the moons surface and back consider a
a 15 kg block is on a ramp which is inclined at 20deg above the horizontal it is connected by a string to a 28 kg mass
five moles of an ideal gas expand isothermally at 100 degrees celsius to five times its initial volume find the heat
let 209 j of heat be added to a gas as a result its volume changes from 500 to 1000 cm3 while the pressure remains
a shell is shot with an initial velocity of 27 ms at an angle of theta0 60deg with the horizontal at the top of the
infrared spectra are used by chemists to help identify an unknown substance atoms in a molecule that are bound together