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a certain freely falling object released from rest requires 150 s to travel the last 300 m before it hits the grounda
a ball is thrown vertically upward from the ground with an initial speed of 1500 msa what is its maximum altitudeb how
a person walks north for 20 minutes at a speed of 12 ms she then has lunch while resting for 10 minutes she continues
an airplane with a speed of 749 ms is climbing upward at an angle of 383 deg with respect to the horizontal when the
a zero-friction air bearing cart is launched at a speed of 185 ms up a slightly inclined track because of the force of
the electric field in a particular space is x 19 nc with x in meters consider a cylindrical gaussian surface of
fleas can jump quite high experiments show that they reach an altitude of 130 times their own height when they jump
an airplane diving at an angle of 53deg with the vertical releases a projectile at an altitude of 730 m the projectile
having captured a mouse an owl is flying towards the barn where it lives to enjoy dinner while approaching the barn at
olympic diver matthew mitcham springs upward from a diving board that is 310 m above the water he enters the water at a
two metal spheres are separated by a distance of 08 cm and a power supply maintains a constant potential difference of
you are in a hot air balloon yes another balloon problem rising from the ground at a constant velocity of 210 ms upward
a place kicker must kick a football from a point 280 m 306 yd from the goal and the ball must clear the crossbar which
a parallel plate capacitor is attached to a battery that supplies a constant voltage while the battery remains attached
an apple crate with a mass of 20 kg stands on a frictionless horizontal surface a force f 145 n is applied to the
an artillery shell was fired at a 60 degree elevation on the top of a 150 m hill the muzzle velocity of the shell was
a point charge is accelerated from rest through a potential difference of 150 v and gains a speed v initial1 what speed
two identical 35g particles each carry 50 muc of chargeone is held fixed and the other is placed 10mm away and
two organ pipes open at one end but closed at the other are each 108m long one is now lengthened by 120cm find the
a thin nonconducting spherical shell of radius 6 cm carries a uniform surface charge density 9 ncm2a what is the
an elevator descended from rest on the 10th floor passing the 4th floor for a total distance of 225m if the elevator
a ball on the end of a string is whirled around in a horizontal circle of radius 0300 m the plane of the circle is 140
a charge of 425 uc is placed at each corner of a square 0100 m on a sidea determine the magnitude of the force on each
young david who slew goliath experimented with slings before tackling the giant he found that he could revolve a sling
the place you get your hair cut has two nearly parallel mirrors 70 apart as you sit in the chair your head is 15 from