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1 a quarterback takes the ball from the line of scrimmage runs backward for 4 yards and then runs sideways parallel to
1 a girl delivering newspapers travels 1 blocks west 2 blocks north and then 6 blocks easta what is her resultant
a high diver of mass 650 kg steps off a board 100 m above the water and falls vertical to the water starting from rest
in order to study the long-term effects of weightlessness astronauts in space must be weighed or at least massed one
a rocket is launched from the surface of the earth with speed 200x104 ms the radius of the earth is re 637x106 m the
a neutron star has a mass of 20 1030 kg about the mass of oursun and a radius of 48 103 m about the height of a
a 10e-6 f capacitor has a charge of 100 microc it is connected to a 10 h inductor at t0 compare the potential energy of
a 1-microf capacitor a 10-ohm resistor and a 1 microh inductor are connected in series with a sinusoidal signal
two loudspeakers 50 m apart are playing the same frequency if you stand 110 m in front of the plane of the
consider the reaction 21h 94begtgtgtgt 73li 42he how much energy is liberated what is the threshold energy for this
it was a dark and storym night when suddenly you saw a flashof lightning three-and-a-half seconds later you heard the
in an experimental radiation therapy an equivalent dose of 0400rem is given to a localized area of tissue with a mass
a very long cylinder with radius a carries uniformly distributed volume charge density rho the electric potential at
the flywheel of a motorhas a mass of 35 kg and a moment ofinertia of 58 kg m2 the motor develops aconstant torque of
1 two infinite lines of charge lie in the x-y-plane parallel to the y-axis line 1 has linear charge density 1 42 cm
a river is flowing with a constant speed of 200 kmh a swimmer starts at a dock swims upstream to another dock that is
a steel cylinder with a radius of 5cm and a length of 4cm is placed in end to end thermal contact with a copper
a positive charge ball hangs attached to a thread of negligiblemass similarly a negative charged ball hangs attached to
a small ball with mass m is attached to a string which goes over a pulley and makes a small angle swing the length of
at a 650g mass at rest on the end of a horizontal spring 126nm is struck by a hammer which gives the mass an initial
a potential cannon is created to shoot charged balls straight upward the potential applied inside the cannon is
it takes a force of 655n to compress the spring of a toy popgun 0200m to load a 0190kg ballpart a with what speed will
a 066kg mass at the end of a spring vibrates 40 times per second with an amplitude of 015mpart a determine the velocity
calculate the speed of the mass when the spring is stretched by300 cma 926 cmsb 507 cmsc 413 cmsd 338 cmse 621
four force vectors act simultaneously on a 65 kg object force one is 211 n west force two is 193 n at an angle 280