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a car on a straight road is stopped at a traffic light when the light turns to green the car accelerates with a
a race car rounds a curve at 54 ms the radius of the curve is 406 m and the cars mass is 685 kg suppose the cars speed
a u-shaped tube open to the air on both ends contains mercury water is poured into the left arm until the water column
a passenger car traveling down a rough road bounces up and down at 11hz with a maximum vertical acceleration of 017ms2
an air-track glider attached to a spring oscillates among the 140cm mark and the 590cm mark on the track the glider
a particle had a velocity of 15 ms in the positive x direction and 26 s later its velocity was 31 ms in the opposite
agent arlene devised the following method of measuring the muzzle velocity of a rifle she fires a bullet into a 4400-kg
a speedboat moving at 350 ms approaches a no-wake buoy marker 100 m ahead the pilot slows the boat with a constant
a particle leaves the origin with a speed of 33 times 106 ms at 38 degrees to the positive x axis it moves in a uniform
a string with both ends held fixed is vibrating in its third harmonic the waves have a speed of 193ms and a frequency
ultrasound is the name given to frequencies above the human range of hearing which is about 20000 hz waves above this
a square whole 900cm along each side is cut in a sheet of coppera does the area increase or decreaseb what is the
a constant volume gas thermometer has a pressure reading of 09000 atm at -50degrees celsius and a reading of 1510 atm
the equation of a transverse wave traveling along a very long string is y600cm sin 002pix 4pit where x and y are
a positive charge of 1000 c is located in a uniform field of 950times104 nc a negative charge of -0500 c is brought
a small sphere of massm 660 g and charge q1 324 nc is attached to the end of a string and hangs vertically as in the
in the rectangle in the drawing a charge is to be placed at the empty corner to create the net force on the charge at
the atomic mass number of copper is a64 suppose that atoms in solid copper form a cubic crystal lattice to envision
phase difference 90 degrees or 15708 radians if the two microphones were at the same distance from the speaker the two
a car is traveling on a straight road and always heads in the same direction the car starts from rest undergoes
a small spherical insulator of mass 334 times 10-2 kg and charge 0600 c is hung by a thin wire of negligible mass a
two tiny conducting spheres are identical and carry charges of -239c and 406c they are separated by a distance of 363
an unstrained horizontal spring has a length of 032 m and a spring constant of 330 nm two small charged objects are
how much work is needed to turn an electric dipole 180nbsp o in a uniform electric field of magnitude 416 nc if p 266