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water stands at a depth d350m behind the vertical upstream face of dam of width w314m discover a the net horizontal
compute the momentum total energy and kinetic energy of a proton moving with a velocity v099c relative to the
1 a meter stick is rotated about the end labelled 000 cm therefore that the other end of the stick moves through an arc
two equal air-filled parallel-plate capacitors are connected in parallel and charged to potential difference delta v
a baseball approaches home plate at a speed of 450 ms moving horizontally just before being hit with a bat the batter
several identical capacitors are connected along the edges of a square grid so that along each edge there is exactly
n7 equal charges are located in the seven sides of a symmetrical octagon distance r from the center obtain the
a calculate the energy in kw-h necessary to place a 10 kilogram object in low earth orbit in low earth orbit the height
a coil with 150 turns has a flux of 450 ntbullm2 through each turn when the current is 200 maa determine what is the
a helium-neon laser lambda 6328 nanometer is used to calibrate a diffraction grating if the first-order maximum occurs
light of wavelength 550 nanometer falls on a 033 millimeter wide slit and forms a diffraction pattern on a screen 12
a projectile mass 0235 kilogram is fired at and embeds itself in a target mass 126 kilogram the target is initially
a 22 kilogram cart is rolling along a frictionless horizontal track towards a 12 kilogram cart that is held initially
the starting motor of an automobile is turning too slowly and the mechanic has to decide whether to replace the motor
a pilot is flying a plane with a speed with respect to air at 220ms in a region where the wind is blowing at a constant
a uniform rod l 30 meter and mass m 10 kilogram is pivoted about a horizontal frictionless pin through one end the
an 1100 kilogram car coast on a horizontal road with a speed of 19 ms after crossing an unpaved sandy stretch of road
one billiard ball is shot east at 22 ms a second identical billiard ball is shot west at 08 ms the balls have a
a pair of narrow parallel slits separated by a distance of 0205 millimeter are illuminated by the green component from
a current is generated in a secondary coil that is used in an ac generator to create the power we get from our wall
you are travelling in a convertible with the top down the car is moving at a constant velocity of 25 ms due east along
a soccer player kicks the ball toward a goal that is 290 meter in front of him the ball leaves his foot at a speed of
a rock thrown horizontally from the top of a light house strikes the water 26 s later a straight line is drawn from the
an automobile with a mass of 1310 kilogram have 315 meter between the front and rear axles its center of gravity is
a minimum-energy orbit to an outer planet consists of putting a spacecraft on an elliptical trajectory with the