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a 349 rads 33rpm record has a 503-khz tone cut in the groove if the groove is located 0100 m from the center of the
two hockey pucks of equal mass approach each otherhead-onwith equal speeds of 87 ms they collide and one puck leaves
determine the length of runway that would enable a 200-tonne airliner to reach its take off speed 75 m s-1 starting
for a particular car windscreen wiper mechanism an electric motor is required that can provide 5 n m of torque at about
algebraic physics question older railroad tracks in the usa are made of 12 meter long pieces of steel when the tracks
an elite tour de france cycler can maintain an output power of 450 w during a sustained climb at this output power how
a gas turbine disc in a modern jet engine has a mass of 150 kg a diameter of 1 metre and spins at 10 000 rpmtaking a
a pinball machine uses a spring launcher that is compressed 66 cm to launch a ball up a 17 ramp assume that the pinball
explain in qualitative terms how gauss law is modified if two point charges were extremely close together their
if we have two different elements and each has an electron drop from the first excited state to the ground state they
a 60 kg object moving at 160 ms in the positive direction of an x axis has one-dimensional elastic collision with an
a modern-day zeppelin holds 9390m3 of helium compute its maximum payload at sea level assume the helium and air to be
a small statue is recovered in an archaeological dig its weight is measured to be 637lb and its volume 009ft3a what is
an lr combination is connected to an ideal battery if l 10 mh r 20 ohms and e 20 v how much time will it take for the
a solenoid of inductance 50mh and resistance 10 ohms is connected to a battery 6vfind the time elapsed before the
model the tungsten filament of a lightbulb as a black body at temperature 2 900 k a determine the wavelength of light
the position of an object moving along the x axis is given by xt70t-30t2 with t in seconds and x in metersa what is the
an atomic clock moves at 1 000 kmh for 100 h as measured by an identical clock on the earth at the end of the 100-h
an automobile mirror shows an image of truck located 10m from mirror the focal length of the mirrors is - 060m find the
a spherical mirror has a focal length of 10cm locate and describe the image for an object distance of
a 021-kg apple falls from a tree to the ground 40 m below ignoring air resistance determine the apples kinetic energy k
a small can of radius r70cm and height h100cm is suspended by a string in a beaker of water so that its depth is 15cm
1 a rock is suspended form a scale reads 100 n a beaker of water is raised up so the rock is totally submerged in the
calculate the minimum thickness of a soap bubble film that results in constructive interference in the time reflected
an astronaut and a satellite are at rest when the astronaut pushes off from the satellite with a velocity 45 ms