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a stone is thrown vertically upward with a speed of 180ms1 how fast is it moving when it reaches a height of 110m2 how
a force of 180 n is required to keep a small boat moving at 291 ms what is the power needed to keep the boat moving at
in an automatic clothes dryer a hollow cylinder moves the clothes on a vertical circle radius032m the appliance is
a person of mass 75 kg stands at the center of a rotating merry-go-round platform of radius 31 m and moment of inertia
a ball and bat approaching one another each with the same speed of17 ms collide1 discover the speed of the ball after
a baggage carousel at an airport your suitcase has not slid all the way down the slope and is going around at a
1 a brick is thrown upward from the top of a building at an angle of 131 above the horizontal and with an initial speed
a speedboat moving at 350 ms approaches a no-wake buoy marker 100 m a head the pilot slows the boat by a constant
a 10-kg block oscillates with a frequency of 10 hz at the end of a certain spring the spring is then cut into two
an energy efficient light bulb taking in 280 w of power can produce the same level of brightness as a conventional
a piece of curved glass has a radius of curvature of 100 m and is utilized to form newtons rings as in figure 2716nbsp
a transmitting antennae for radio wave of 5 wavelengths is located on land 190 above the edge of the ocean an airplane
a truck tractor pulls two trailers one behind the other at a constant speed of 100 kmh it takes 0555s for the big rig
a film of oil lies on wet pavementnbsp the refractive index of the oil surpasses that of the waternbsp the film has the
a 1000 kg cart is rolling to the right at 35 ms a 70 kg man is standing on the right end of the cart what is the speed
a car of mass 1440 kg traveling at 28 ms is at the foot of a hill that rises 115 m in 3 kilometres at the top of the
the 2 kg block in the figure slides down a frictionless curved ramp starting from rest at a height of h 2 m the block
a rifle fires a 126 x 10-2-kg pellet straight upward as the pellet rests on a compressed spring that is released when
during 025 s a wheel rotates during an angle of 362 rad as a point on the periphery of the wheel moves with a constant
consider drilling a tunnel among any two points on the earthrsquos surface this tunnel does not necessarily pass during
a double-slit interference pattern is created with two narrow slits spaced 02 mm apart the distance among the first and
a diver in midair has an angular velocity of 60 rads and a moment of inertia of 16 kgmiddot m2 he then pulls is arms
1 a 50000-kg railroad freight car collides with a stationary caboose car they couple together and 31 percent of the
1 how long could this energy be used to burn ten 60 w light bulbs2 if this energy were used to raise a car of mass 1845
a 540-kilogram child starts from rest from the top of a frictionless slide that is 46 m tall the bottom of the slide is