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a highway curves to the left with radius of curvature r 27 meter the highways surface is banked at 30 degree thus
a 400 gram stone attached to the end of a 75 centimeter string and is swung in a circular horizontal path the max
the sun generates most of its light during a series of nuclear reactions called the proton-proton chain the overall
a 1000 kilogram safe is 20 meter above a heavy-duty spring when the rope holding the safe breaks the safe hits the
a bullet with a mass of 65 g is shot horizontally and collides with a 125 kg wooden block initially at rest the bullet
the hydrogen spectrum has a red line at 656 nm and a violet line at 434 nm what angular separation among two spectral
a 755 newton person stands in the middle of a frozen pond of radius 100 meter he is unable to get to the other side as
suppose you bring a slab of dielectric close to the gap among the plates of a charged capacitor preparing to slide it
gayle runs at a speed of 340 ms and dives on a sled initially at rest on the top of a frictionless snow covered hill
a 0100-ma electron beam by kinetic energy 540 ev enters a sharply defined region of lower potential where the kinetic
weather surveillance satellite is launched into orbit with a period of 18 h mass of earth is 598 x 102 second the
two small stereo speakers are 28 m apart and act as a double-slit interference experiment by sound waves if the
a river barge loaded with gravel approaches a low bridge that it cannot quite pass under find should gravel be removed
monochromatic light lambda 570 nm passes through two slits and onto a screen 40 m awaya if two nearby bright fringes
a man pushes a 190 kilogram shopping cart at a constant velocity for a distance of 251 meter on a flat horizontal
a 580 kilogram guy is riding an escalator in a shopping mall the escalator moves the guy at a constant velocity from
a 212 kg log is pulled up a ramp with means of a rope that is parallel to the surface of the ramp the ramp is inclined
1 the resistance of a bagel toaster is 14 ohm to prepare a bagel the toaster is operated for one minute from a 120-
you are moving into an apartment and take the elevator to the 6th floor assume your weight is 650 newton and that of
a fighter airplane is launched from an aircraft carrier with the aid of its own engines and a steam powered catapult
a coil of inductance 79 mh and unknown resistance and a 071 microf capacitor are associated in series with an
an astronaut has a mass of 50 kilogram her vehicle travels to 6400 kilometer above earth and she weighs 14 of what she
a pair of narrow parallel slits separated with 0270 mm is illuminated by the green component from a mercury vapor lamp
a light bulb is wired in series with a 133 ohm resistor and they are connected across a 120 volt source the power
1 three electrons are placed at the coners of a 45 degree triangle triangle is a right triangle the distance along the