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a 240 g block is dropped onto a relaxed vertical spring that has a spring constant of k 19 ncm fig 7-43 the block
an extreme skier starting from rest coasts down a mountain that makes an angle 250 degree with the horizontal the
a wrench 0500 meter long is applied to a nut with a force of 800 newton because of the cramped space the force must be
two disks are mounted like a merry-go-round on low-friction bearings on the same axle and can be brought together so
a 12960 gram mass is on a horizontal surface with mk 042 and is in contact with a mass less spring with a force
when a 0045 kilogram golf ball takes off after being hit its speed is 35 msa determine how much work is done on the
high-speed stroboscopic photographs show that the head of a 230 g golf club is traveling at 40 ms now before it strikes
a magnetic field is oriented at an angle of 51 degree to the normal of a rectangular area 55 centimeter by 72
a 710 n man stands in the middle of a frozen pond of radius 40 m he is unable to get to the other side because of a
two power lines each 260 meter in length run parallel to each other with a separation of 35 centimeter if the lines
a 77 kilogram person stands on a scale in an elevator1 find what does the scale read when the elevator is at rest in n2
ropes utilized in rock climbing are springy so they cushion a climbers fall a particular rope has a force law given by
ethan whose mass is 87 kg stands at one end of a very long stationary wheeled cart that has a mass of 650 kg ethan
a three disks are released at the same time at the top of an inclined plane let disk 1 have a mass m and a radius r
a diverging lens is utilized to form a virtual image of an object the object is 55 cm in front of the lens and the
a ball of mass 250 gram is released from rest at a height of 200 meter above the floor and it rebounds straight up to a
when a carpenter shuts off his circular saw the 100-inch diameter blade slows from 4812 rpm to zero in 250 secondobtain
two slits separated by 00520 mm and located 180 m from a viewing screen are illuminated by monochromatic light the
three equal blocks connected by ideal strings are being pulled along a horizontal frictionless surface by a horizontal
a race vehicle accelerates uniformly as it leaves the pit area going from rest to 330 kmh in a semicircular arc with a
assume 150w of heat flows by conduction from the blood capillaries beneath the skin to the bodys surface area of 15m2
in the model of hydrogen atom created by niels bohr the electron moves around the lone proton in the nucleus at a speed
1 a 0075 kg arrow is fired horizontally the bow string exerts an average force of 65n on the arrow over a distance of
a ball is thrown forward horizontally from the top of a cliff with a velocity of 10 ms the height of the cliff is 45