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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
a 100 kg scientist finds that the acceleration of gravity at the north and south pole is measured to be 9832 ms2 and
a mass of 210 kg is attached to an oscillating spring and the period of oscillation is 150s find the spring constant
a person wants to find the gravity on another planet there is a 1kg mass hanging from a thin wire with a length of 5m
the temperature outside is 0 degrees c when you are watching a football game the referee blows his whistle when he is
you pluck a g string on a guitar which should be 196hz and you wish to tune this string a tuning fork is known to
a weightless rod of length 2l carries two equal masses m one tied at lower end a and the other at the middle of the rod
a rock is thrown at a window that is located 18m above the ground the rock is thrown at an angle 40 degrees above the
1 for the given rational function find the a domain b axis intercepts and c equations of any asymptotes if the function
a projectile is fired from ground level with a velocity of 500 ms at 30deg to the horizontal calculate its horizontal
an object which at rest at a height 10m above the ground falls on the ground and penetrates 25 cm in to the ground if
an object of mass 10 kg falling from a height of 20 m on to a hard floor rebounds to a height of 5m if the time during
a ball of mass 05kg moving horizontally with a velocity of 30 ms strikes a vertical wall and rebounds horizontally with
one way to determine the velocity or acceleration of a moving object is to time the motion of the object with a
properties of materialsa sample material is pulled by a certain force so that an elastic elongation is recorded what is
pressure and forcea pneumatic ram has a chamber piston diameter of 150 mm and is subjected to a variable source of
suppose you live in a place on the equator there is a vertical rod of length 2m on your roof top one morning you went
particle mass of 05 kg the particle has a initial velocity with horizontal component of 30 ms the particle rises to a
a solid circular steel rod 6mm in diameter and 500mm long is rigidly fastened to the end of a square brass bar 25mm on
a hollow right-circular cylinder is made of cast iron and has an outside diameter of 75 mm and an inside diameter of 60
a bar of circular cross-section is loaded by a compressive force p 100 kn the bar has length l 20 m and diameter d
a moon worm is orbiting an asteroid in a circular path with radius r and speed v if the moon worm decides to double its