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a 042-kg object travels from point a to point b if the speed of the object at point a is 60 ms and the kinetic energy
because it can go from rest to 149 ms about 33 mih in 22 s one of the fastest-accelerating animals is the cheetah if
a calculate the energy in kcal used by a 50-kg woman who does 53 deep knee bends in which her center of mass is lowered
a sports car moving at a constant velocity travels 120 m in 50 seconds if the it then brakes and comes to a stop in 40
a kid runs towards the edge of a merry-go-round that is not rotating and jumps on the merry-go-round then rotates with
what is the maximum current delivered to a circuit containing a 200 microf capacitor when it is connected across the
as a solar type star is running out of nuclear fuel for the final time it casts off its outer layers into an expanding
1 you drive past a potential parking space in center city your new car is travelling at 85 the speed of light if your
a physics student monitors the speed and kinetic energy of a 032-kg traveling object at a time of t 10 s the object is
a 400g mass is attached to cord 12m in length it is pulled to the left until the angle with the vertical is 30 degrees
two children setup a telephone by placing a long slender aluminum y 69 times 1010nm2 rod that has a length of 61-m
you drive past a potential parking space in center city your new car is travelling at 85 the speed of light if your car
suppose that two cold t 100 k interstellar clouds of 1msuneach collide with a relative velocity v 10 kms with all of
estimate the change of colors of buildings and tree leaves when we look at them from a flying plane the speed of the
a soap bubble of radius r is charged to a potential v if the radius is increased to nr the potential on the bubble will
thenbsp22-lbnbspcollar has a speed ofnbsp2nbspftsnbspatnbspa the attached spring has an unstretched length
the motor exerts a forcenbspfnbspon thenbsp41-kgnbspcrate as shown in the graph whennbsptnbsp 0nbspthe crate is moving
you are driving down a country road when a bug splatters on your widescreen suppose the change in momentun of the bug
two stereo speakers mounted 52 m apart on a wall emit identical in -phase sound waves you are standing at the opposite
the tropical easterlies and midlatitude westerlies occupy about the sameamount of surface area of earth would you
an green hoop with mass mh 27 kg and radius rh 016 m hangs from a string that goes over a blue solid disk pulley with
consider two clouds in the interstellar medium a molecular h2 cloud has t 10 k and n 1012nbspm-3 a neutral atomic h
a solenoid 200 cm in diameter and 200 cm long has 750 turns and carries a current of 100 a calculate the magnetic flux
two radio antennas separated byd 286 m as shown in figure p247 simultaneously transmit identical signals of the same