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a point mass on a hookes law spring is pulled aside 10 cm from the center position and then released the resulting
a ball hangs motionless from a ceiling by a stringhow many forces are acting on the ball what are
an aluminum cube 10 cm on a side is subject to shear stress a force of 40000 n acts on each of four faces calculate the
the rotational velocity of a merry-go-round increases at a constant rate from 06 radsec to 18 rads in a time of 4 swhat
a uniform disk of radius r and mass m is mounted on an axle supported in fixed frictionless bearings alight cord is
a 20 kg satellite has a circular orbit with a period of 28 h and a radius of 79 106 m around a planet of unknown mass
a pitcher throws a 015-kg baseball so that it crosses home plate horizontally with a speed of 20 ms the ball is hit
oily n 138 fingerprints on a glass plate n 152 preferentially reflect light with a frequency of 550 mm what is the
the sprint in spring gun has a force constant of 30 lbin it is compressed 15 in from its natural lenght and a ball
in inertial frame s a red light and a blue light are separated by a distance x 245 km with the red light at the larger
a baton consists of a 10-cm rod of mass 200 g with small metal spheres each of mass 100 g on either end the centers of
a wheel of radius 06 m starts from rest and accelerates without slipping with an angular acceleration of 20 radsec2 for
two spheres of mass m1 3kg and m2 15 kg are given the lighter sphere is at rest the bigger one is rolling with velocity
a 024 kg blob of clay is thrown at a wall with an initial velocity of 19 ms if the clay comes to a stop in 91 ms what
a hollow cylinder hoop is rolling on a horizontal surface at speed 55ms when it reaches a 11inclinea how far up the
a person of mass 75kg stands at the center of a rotating merry-go-round platform of radius 35mand moment of inertia
a uniform 295- kg spinning disk with a radius of 0263 m is brought to rest by a brake-pad pressed against the side
a current of 200 a is flowing through a 1000-turn solenoid of length l 400 cmwhat is the magnitude of the magnetic
if a capacitor has a capacitance of 10 microf and we wish to increase the potential difference across the plates by 50
the frequency and wavelength of a transverse wave on a string are 340 hz and 070 m respectively the tension in the
bob is standing 100m above the ground he is holding an rpg at an angle of 30 degrees he shoots a missle with an initial
a 720-kg bungee jumper is standing on a tall platform h0 422 m the bungee cord has an unstrained length of l0 954 m
a 62- kg gymnast stretches a vertical spring by 052 m when she hangs from it how much energy is stored in the spring
a highway has an unbanked curve with a radius of 100m the coefficient of static friction between the rubber tires of a
a crate of bananas with a mass of 50kg rest on a loading ramp that makes an angle theta 30 degrees with the horizontal