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a person walks first at a constant speed of 490 ms along a straight line from point a to b point and then back along
a tetrahedron has edges of length a and charge q at each apex what is the potential energy of the
coherent light with wavelength 510 nm passes through narrow slits with a separation of 310mm at a distance from the
if an object is moving with constant momentum lsaquo 12 16 7 rsaquo kg middot ms what is the rate of change of momentum
a coin is placed 101 cm from the axis of a rotating turntable of variable speed the coefficient of static friction
charges of 30 nc -20 nc -70 nc and 10 nc are contained inside a rectangular box with length 10 m width 20 m and height
the temperature of the eardrum provides a reliable measure of deep body temperature and is measured quickly with ear
a 50 kg block slides from rest down a frictionless slope then enters a flat area where uk is 050 if the block stops
a small button placed on a horizontal rotating platform with diameter 0310m will revolve with the platform when it is
a box is on the back of a truck the truck is moving at 720 kmh along a level road if the coefficient of static friction
you would like to shoot an orange out of a tree with your bow and arrow the orange is hanging 500 m above the ground
according to the guinness book of world records the world record for spitting a watermelon seed is 68 feet 9 and
point charges q1 200 muc and q2 -200 muc are placed at adjacent corners of a square for which the length of each side
a 299-kg motorcycle is accelerating up along a ramp that is inclined 316deg above the horizontal the propulsion force
a lunar lander is landing on the moon from 50 m above the surface with a downward speed of 08 ms with the engine off it
a car is going with a constant speed of 15 ms about 34 mph in a school-crossing corner where the speed limit is 10 ms
a served tennis ball is typically in contact with the racquet for 30 ms and starts from rest in the fastest serve
a copper cable is designed to carry a current of 340 a with a power loss of 480 wm what is the required radius of this
bartender slides a beer mug at 12 ms towards a customer at the end of a frictionless bar that is 13 m tall the customer
a home run is hit in such a way that the baseball just clears a wall 10 m high located 126 m from home plate the ball
a projectile is fired at 675 o above the horizontal its initial speed is equal to 900 ms assume that the free-fall
one mole of helium atoms has a mass of 4 grams if a helium atom in a balloon has a kinetic energy of 1224e-21 j what is
a spherical capacitor with a 120 mm gap between the spheres has a capacitance of 600 pf what are the diameters of the
a car is parked on a cliff overlooking the ocean on an incline that makes an angle of 350 degrees below the horizontal
a landscape architect is planning an artificial waterfall in a city park water flowing at 0673 ms will leave the end of