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a 0030 kg lead bullet hits a steel plate both initially at 20c the bullet melts and splatters on impact assume that 80
a wheel of radius r 204 cm mass m 247 kg and moment of inertia i is mounted on a frictionless horizontal axle as in
determination of the initial velocity of a projectile from range-fall measurements after the horizontal projectile
why is it justified to say that the momentum in the horizontal direction is conserved over the collision interval is
a proton moves with a velocity of v 5i-5jk ms in a region in which the magnetic field is b i 2j - k what is the
a person is riding a bicycle and its wheels have an angular velocity of 161 rads then the brakes are applied and the
when light of wavelength 370 nm falls on a barium surface electrons having a maximum kinetic energy of 086 ev are
the trap-jaw ant can snap its mandibles shut in as little as 16x10-4 s in order to shut both mandibles rotate through a
light with a wavelength of 616 nm passes through a slit 714 mum wide and falls on a screen 180 m away find the linear
the extremes of the ultraviolet portion of the electromagnetic spectrum range from 10 10-7 m to 10 10-9 m find the
an airplane is sent on a rescue mission to help a stranded explorer near the south pole the plane cannot land but
a brick of mass m has been placed on a rubber cushion of mass m together they are sliding to the right at constant
the maximum speed of a 37-kg mass attached to a spring is 067 ms and the maximum force exerted on the mass is 12 nwhat
a 230-g bullet embeds itself in a 130-kg block which is attached to a spring of force constant 780 nm if the maximum
a uniform cylinder whose mass is 50 kg and radius is 020 m is mounted so that it turns without friction on its axis
a vacuum diode consists of a cylindrical cathode of radius 005cm mounted coaxially within a cylindrical anode 045 cm in
a diverging lens with a focal length of -14 cm is placed 10 cm to the right of a converging lens with a focal length of
a weather vane initially at rest has a moment of inertia of 0125 kg middot m2 about its axis of rotation a 635 g piece
an open railroad car of mass 2404 kg is coasting with an initial speed of 18 ms on a frictionless horizontal track it
ceres the smallest identified dwarf planet in the solar system has a radius r 480 km and an acceleration due to
a rubber ball mass 027 kg is dropped from a height of 18 m onto the floor just after bouncing from the floor the ball
a car with a total mass of 192103 kg has wheels of radius 310 cm and moment of inertia 0830 kg middot m2 what is the
the weight of a star is usually balanced by two forces the gravitational force acting inward and the force created by
the distance between two successive maxima of a transverse wave is 120m eight crests or maxima pass a given point along