Physics, 30.09.2019 18:30 Angelanova69134
9. a bullet is moving at a speed of 367 m/s when it embeds into a lump of moist clay. the bullet
penetrates for a distance of 0.0621 m. determine the acceleration of the bullet while moving
into the clay. (assume a uniform acceleration.)
Answers: 3
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Which composition of water moves to begin a deepwater current?
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The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?
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Ascientist wants to test ways to reduce pollution in lake . what is the bestway of doing this
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Afaulty model rocket moves in the xy-plane (the positive y direction is vertically upward). the rocket's acceleration has components ax(t) = ? t2 and ay(t) = ? ? ? t, where ? = 2.50 m/s4 , ? = 9.00 m/s2 , and ? = 1.40 m/s3 . at t = 0 the rocket is at the origin and has velocity ~v0 = v0x ? i + v0y ? j with v0x = 1.00 m/s and v0y = 7.00 m/s. (a) calculate the velocity and position vectors as functions of time. (b) what is the maximum height reached by the rocket? (c) sketch the path of the rocket. (d) what is the horizontal displacement of the rocket when it returns to y = 0?
Answers: 1
9. a bullet is moving at a speed of 367 m/s when it embeds into a lump of moist clay. the bullet
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