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a fish finder uses sonar to find fish under water it does this by sending out a pulse of sound and measuring the time
object being pulled with frictionan object of mass m is being pulled along a smooth surface generating a friction force
a mustang going from 0 to 60 in 35 seconds has an acceleration of 77ms radius of the tires is 35m what is the angular
in a class there are 15 boys and 10 girls three students are selected at random what is the probability that 1 girl and
a centrifuge is used and runs at 3600 rpm when it is shut off it comes to a stop if it completed 30 revolutions in the
a body of mass m1 standing on a smooth plane of ice throws a ball of mass m2 horizontally on the surface of ice if x be
a tube of length l is filled completely with an incompressible liquid of mass m and close at both the ends the tube is
a mass m is attached to an end of rod of length l the mass goes around vertical circular path with the other end hinged
a light spring with force constant 335 nm is compressed by 816 cm as it is held between a 0239 kg block on the left and
aspace traveller has landed on the sruface of an unknown planet he drops a small lead all from the top of his space
nathaniel is driving his sports car down a four-lane highway at 40ms he comes up behind a slow-moving dump truck and
a gyroscope has a radius of 3 cm using a string wrapped around its central axis you apply a constant torque for 3
on jupiter a day lasts for 99 earth hours and the circumference at the equator is 448600 km if the measured value of
a man standing on a scale in an elevator notices this at the scale he reads 30 newtons greater than his normal weight
a 70 kg person is at the top of a 10 m tall slide ignoring friction what is his or her speed at the halfway point where
a spring is subjected to a force of 40 newtons at a rest position when an additional load of 3 n is exerted the spring
a turntable is initially rotating a 150 rads and accelerates at 250 rads for 50sacalculate the final angular velocity
a car of mass m starts from rest and accelerates so that the instantaneous power delivered to the car has a constant
a single-threaded power screw is 0018 mm in diameter with a pitch of 0006 mm a vertical load on the screw reaches a
a wooden block with mass m 3 kg is lying on a horizontal table it is hit by a bullet with mass m 5 g which moves
the lap joint is fastened togetherusing two bolts determine the required diameter of the bolts if the allowable shear
a tennis player wishes to return the ball so it just passes over the top of the net at a point where the net is 10 m
a car of mass 100 kg moving on a horizontal road with a steady velocity of 10 ms has a total frictional on it of 400n
a spring with a mass of 4 kg has natural length 05 m a force of 256 n is required to maintain it stretched to a length
a ship of draft 10 m is loading in salt water density 1015 kgm3 calculate the cheng in draught on entering salt water