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a 750 kg stunt man jumps from a balcony and falls 265 m before colliding with a pile of mattresses if the mattresses
a 802 -m ladder with a mass of 212 kg lies flat on the ground a painter grabs the top end of the ladder and pulls
a motorcycle which has an initial linear speed of 97 ms decelerates to a speed of 26 ms in 36 s each wheel has a radius
a solid uniform sphere and a uniform spherical shell both having the same mass and radius roll without slipping down a
a person is riding a bicycle and its wheels have an angular velocity of 185 rads then the brakes are applied and the
a ball is thrown horizontally with a speed of vo 200 ms from the top of a building of height h 421 meters when the
the wheels of a wagon can be approximated as the combination of a thin outer hoop of radius rh 0209 m and mass 470 kg
a small spinning asteroid is in a circular orbit around a star much like the earths motion around our sun the asteroid
a compass needle in a uniform magnetic field of 025 t experiences a torque of 0030nm when it points in a direction 45 o
a box of mass 250kg is sliding at a constant speed down an inclined plane that is inclined at 25 degrees what is the
water moves through a constricted pipe in steady ideal flow at the lower point shown in the figure below the pressure
the planet jupiter has a satellite europa which travels in an orbit of radius 6710times108 m with a period of 355 days
in the figure block 1 of mass m1 slides from rest along a frictionless ramp from height h 21 m and then collides with
a 750g 50-cm-long metal rod is free to rotate about a frictionless axle at one end while at rest the rod is given a
a 53kg box is on a frictionless 36circ slope and is connected via a massless string over a massless frictionless pulley
calculate the absolute pressure at the bottom of a freshwater lake at a point whose depth is 262 m assume the density
a rifle with a weight of 20 n fires a 35-g bullet with a speed of 250 ms a find the recoil speed of the rifle incorrect
an ledrsquos color is determined by the energy needed to shift an electron across the band gap in the semiconductor
a 360-kg object is attached to a spring and placed on frictionless horizontal surface a horizontal force of 90 n is
in an engine a piston oscillates with simple harmonic motion so that its position varies according to the expression x
a person pushes a 162-kg shopping cart at a constant velocity for a distance of 275 m on a flat horizontal surface she
a ceiling fan is turned on and a net torque of 18 nmiddotm applied to the blades the blades have a total moment of
during the first stage of its launch a space shuttle goes from rest to 4956 kmhwhile rising a vertical distance of
a sinusoidal wave of wavelength 191 m and amplitude 0159 m travels with a speed of 0743 ms on a string initially the
a uniform plate of height 1170 m is cut in the form of a parabolic section the lower boundary of the plate is defined