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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
radio receivers can comfortably pick up a broadcasting stationrsquos signal when the electric field strength of the
plane-polarized light passes through two polarizers whose axes are oriented at 370 degrees to each otherif the
there is no difference between the static charges generated by rubbing rods with fur or silk and the charges that
when a star has exhausted its hydrogen fuel it may fuse other nuclear fuels at temperatures above 10 108 k helium
an electron is in the first excited orbit of hydrogen corresponding to n 2a find the radius of the orbitnmb find the
an alarm clock is set to sound in 20 h at t 0 the clock is placed in a spaceship moving with a speed of 072c relative