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bicyclists in the tour de france reach speeds of 310 miles per hour mih on flat sections of theroada what is this speed
two wave sources separatedby 600 cm produce waves - in phase - described by y 4sin50pix - 120pitm assume that these
a person throws a discus mass 2 kg at an angle of 40o to the horizontal with a velocity of 20 ms neglect air
an electron is released a short distance above the surface of the earth a second electron directly below it exerts an
a rubber ball is able to bounce 090 times the height from which it is dropped the ball is dropped from a height of
a freight train is rolling down the track at 650kmhr out ofthe fog 1km behind a fast express going 120kmhr appears on
the four heating elements on an electric stove are wired inparallel so that any combination of them can be on at the
three silver wires of equal length are connected in series with a150 v battery their cross-sectional areas are 100 500
a person is riding a bicycle and its wheels have an angularvelocity of 185rads then the brakes are applied and the bike
the electric potential difference between two infinite parallelmetal plates is v if the plates are separated by
a proton moves from a location where v 69 v to a spot wherev -51 va what is the change in the protons kinetic energyb
a spaceship ferrying workers to moon base i takes a straight-linepath from the earth to the moon a distance of384000 rm
on the ride barrel of fun at an amusement park people can bepinned against the vertical wall of a rotating barrel
a boy tosses a coin straight up to 24m suppose the height whenthe coin leaves his hand is 11m what was the initial
in the superconducting super collider that was planned to have beenbuilt in texas this past decade protons would be
standing at a crosswalk you hear a frequency of 540 hz from thesiren of an approaching ambulance after the ambulance
if light with a wavelength of 6155 x 10-7 m passes through a diffraction grid with 953 slits per centimeter at what
a 75kg man swings from a vine at an angle of 35 degrees with thevertical he grabs the vine with an initial speed of 25
a 00575 kg ball is dropped from a height of 6 meters if theball hits the ground and rebounds to a height of 5 meters
a cylindrical brass sleeve is to be shrink-fitted over a brassshaft whose diameter is 3214 cm at0degc the diameter of
two spheres are launched horizontally from a082-m-high table sphere a is launched with an initial speed of423 ms sphere
a pendulum of the length l is suspended from the ceiling of an elevator when the elevator is at rest the period of the
a spark plug initiates combustion of gasoline in an automobile engine by producing a spark across a small gap between
a rifle is aimed horizontally at a target 5616 m away the bullethits the target 265 cm below the aim pointwhat was the
a grey kangaroo can leap a distance of 1178 m on horizontalground what is the minimum take off speed for such a