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x(t)=3t^3-40.5t^2+162t find where object is

x(t)=3t^3-40.5t^2+162t find where object is speeding up or slowing down
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2. asked by Anonymous
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The position at time t, in seconds of an object moving along a like is s(t)= 3r^3 - 40.5t^2 + 162t fot 0<= t <=8When is the
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2. asked by Adeola
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A 5.00 g object moving to the right at +20.0 cm/s makes an elastic head-on collision with a 10.0 g object that is initially at
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2. asked by Anonymous
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please help me.A 5.00 g object moving to the right at +20.0 cm/s makes an elastic head-on collision with a 10.0 g object that is
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2. asked by Chan
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A certain object of mass 0.50 kg moves along the x-axis. Its potential energy is given by U = 3x2 + 8x. Starting at rest, the
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2. asked by Ashley
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two masses are attached to both ends of a flexible cord passing through a friction less pulley. if the system is at rest, find
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2. asked by Kzsa
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You are told that the linear "drag coefficient" due to air resistance for a particular object is 0.64 N · s/m and the object
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2. asked by name
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A 26.0 g object moving to the right at 17.0 cm/s overtakes and collides elastically with a 10.0 g object moving in the same
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2. asked by Daisy
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An object has a kinetic energy of 244 J and a momentum of magnitude 24.9 kg · m/s.(a) Find the speed of the object. (b) Find
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2. asked by J
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An object has a kinetic energy of 304 J and a momentum of magnitude 26.7 kg · m/s.(a) Find the speed of the object. (b) Find
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2. asked by jill
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