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true or falsea if the electric field is zero in some region of space the electric potential must also be zero in that
an airplane with a speed of 714 ms is climbing upward at an angle of 495 deg with respect to the horizontal when the
a place-kicker must kick a football from a point 360 m about 40 yards from the goal half the crowd hopes the ball will
two identical blocks of mass m are connected by a cord of length l that runs over a massless frictionless pulley as
a rock is thrown vertically upward with a speed of 110 from the roof of a building that is 400 above the ground assume
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