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a very slow neutron with negligible kinetic energy is captured by a 11b boron-11 nucleus which ends up in its ground
a helium nucleus charge 2e moves through a potential difference v 040 kv its initial kinetic energy is 340 10-16 j
a basketball player runs down the court following the path indicated by the vectors a b and c in the figure belowthe
if a sound wave traveles throught soft tissue a a velocity of 154 mmmicrosecond for 2203ms how far has the sound wave
a uniform electric field has magnitude e 270 nc and is directed to the right a particle with charge 43 nc moves along
a parallel-plate capacitor with area 0700 m2 and plate separation of 200 mm is connected to a 1800-v batterya what is
an astronaut on the moon drops a rock straight downward from a height of 150mpart a if the acceleration of gravity on
a furlong is a distance of 220 yards a fortnight is a time period of two weeks a race horse is running at a speed of
professor dodds is performing a nuclear experiment in a particle accelerator the particle has an initial position of
a balloon filled with one liter of air is tied to a brick and dropped from a height of 4600m above sea level if the
a hot-air balloonist rising vertically with a constant velocity of magnitude 500ms releases a sandbag at an instant
300g of water at 30 c if each gram gains 37 calories of heat what i the final temperature how much heat gained by the
a kangaroo can jump over an object 270 m higha calculate its vertical speed when it leaves the groundmsb what is the
a steel ball is dropped onto a hard floor from a height of 155 m and rebounds to a height of 145 m assume that the
a swimmer bounces straight up from a diving board and falls feet first into a pool she starts with a velocity of 300 ms
an express subway train passes through an underground station it enters at t 0 with an initial velocity of 240 ms and
an unwary football player collides with a padded goalpost while running at a velocity of 850 ms and comes to a full
freight trains can produce only relatively small acceleration and decelerationsa what is the final velocity of a
at the end of a race a runner decelerates from a velocity of 1000 ms at a rate of 0400 ms2a how far does she travel in
a a light-rail commuter train accelerates at a rate of 135 ms2 how long does it take it to reach its top speed of 800
an 680-m-long brass rod is struck at one end a person at the other end hears two sounds as a result of two longitudinal
the position of a particle moving along an x axis is given by x 17t2 - 60t3 where x is in meters and t is in seconds
the position of a particle moving along an x axis is given by x 17t2 - 60t3 where x is in meters and t is in secondsa
a car travels up a hill at a constant speed of 65 kmh and returns down the hill at a constant speed of 20 kmh calculate
the woman walks west for 15 minutes and travels a distance of 06 km she then turns north and walks 04 km in 15 minutes