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a rock is thrown upward from the level ground in such a way that the maximum height of its flight is equal to its
a major leaguer hits a baseball so that it leaves the bat at a speed of 285 and at an angle of 369 above the horizontal
a stone is thrown horizontally at 650 from the top of a very tall cliff calculate its horizontal position and vertical
a projectile is fired in such a way that its horizontal range is equal to 45 times its maximum height what is the angle
a tennis ball rolls off the edge of a tabletop 0850 above the floor and strikes the floor at a point 160 horizontally
for a single isolated point charge carrying a charge of q 467 pc one equipotential surface consists of a sphere of
a proton and an electron are fixed in space with a separation of 957 nm calculate the electric potential at the
i place a 250 g mass on a spring when it has finished oscillating the spring has extended from 30 cm to 55cm how do i
derive expressions for the static and kinetic coefficients of friction using any terms relevant to the situation eg
a playground is on the flat roof of a city school 61 m above the street below see figure the vertical wall of the
a doubly ionized carbon atom with charge 2e is located at the origin of the x axis and an electron with charge -e is
two plates of area 255 cm2 each are separated by a distance 421 cm calculate the capacitance of the capacitor in
practice it use the worked example above to help you solve this problem a proton is released from rest at x 200 cm in
you are standing on the ground at the origin of a coordinate system an airplane flies over you with constant velocity
carbon dioxide gas co2 enters a pipe at a pressure of 35 mpa and a temperature of 450 k at a mass flow rate of 2 kgsec
a man stands on the roof of a building of height 130and throws a rock with a velocity of magnitude 300 at an angle of
consider three ants each clinging for dear life to the top surface of an ordinary compact disc and not moving with
you have two capacitors c1410 nf and c2260nf and a dc battery vbatt900 volts the two capacitors are connected to the
a walkway suspended across a hotel lobby is supported at numerous points along its edges by a vertical cable above each
an em wave has a wave vector kx2yradm the magnetic field amplitude is bo143x10-10t2x-yz determine the electric field
a pitcher throws a 0140 kg baseball and it approaches the bat at a speed of 350 ms the bat does wnc 750 j of work on
a swing is made from a rope that will tolerate a maximum tension of 10 103 n without breaking initially the swing
a force of 83 newtons is applied to a wire with a diameter of 05 mm what is the tensile stress in nm2 in the
the average speed of blood in the aorta is 0314 ms and the radius of the aorta is 105 cm there are about 196 times 109
a partially evacuated airtight container has a tight-fitting lid of surface area 817 cm2 and negligible mass if the