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a rectangular thin plate of mass m and sides of length a 2m and b 3m spins with constant angular velocity w500 rads
when point charges q1 21 c and q2 81 c are brought near each other each experiences a repulsive force of magnitude
while landing the rotor of a helicopter slows from an angular speed of 4500 rpm to rest in 5 seconds how many
the masses of the earth and moon are 598 times 1024 and 735 times 1022 kg respectively identical amounts of charge are
how much work is done by a person lifting a 20-kg object from the bottom of a well at a constant speed of 20 ms for 50
two charges are placed between the plates of a parallel plate capacitor one charge is q1 and the other is q2 414c the
what is the combined contact force on the log by ropes 1 and 2 in this case give your direction in terms of an angle in
string 1 in the figure has linear density 290 and string 2 has linear density 320 a student sends pulses in both
forces are vector quantities with units of newtons n 98 n of force are required to support 10 liter of water near the
the driver of a car slams on the brakes when he sees a tree blocking the road the car slows uniformly with an
the route followed by a hiker consists of three displacement vectors and vector is along a measured trail and is
use the ideal gas and van der waals equations to calculate the pressure when 225 mol h2 are confined to a volume of 165
the magnitude of the force exerted by a spring is given by f kx where x is the amount of stretchingcompressing of the
1 how many cubic centimeters are in a cubic kilometer2 the speed of sound in air at sea level is around 340ms express
the two vectors and in the figure below have equal magnitudes of 110 m and their angles are 1 30deg and 2 110deg a
a vertical containery with base area measuring 140 cm by 170 cm is being filled with identical pieces of candy each
vectors and lie in an xy plane has magnitude 840 and angle 132deg from the positive direction of the x axis has
you drive on interstate 10 from san antonio to houston half the time at 50 kmh and the other half at 88 kmh on the way
while on vacation a tourist left the center of town in a rented car having an odometer reading of 2672510 km he
calculate for a rectangular surface with the vertices basqrt20 0asqrt20 00asqrt2 and b0asqrt2 the vectorial surface
a diffraction grating with 610 lines per mm is illuminated with light of wavelength 520 nm a very wide viewing screen
the greatest ocean depth yet discovered is the marianas trench in the western pacific ocean a steel ball released at
what is the total contact force on the log by ropes 1 and 2 combined e first give the magnitude of the n-s component of
if the average velocity of an object is nonzero in some finite time interval which of the following must be true during
in a particular power plant the fuel rods last 2 years before they are replaced if a plant with rated thermal power 100