Physics, 21.11.2019 02:31 PerfectMagZ
Two air track carts move along an air track towards each other. cart a has a mass of 450 g and moves toward the right with a speed of 0.850 m/s and air track cart b has a mass of 300 g and moves toward the left with a speed of 1.12 m/s. what is the total momentum of the system?
a) 0.719 kg•m/s toward the right
b) 0.719 kg•m/s toward the left
c) 0.750 kg•m/s toward the right
d) 0.047 kg•m/s toward the right
e) 0.750 kg•m/s toward the left
Answers: 3
Physics, 21.06.2019 16:10
If two metal balls each have a charge of -10^-6 c and the repulsive force between them is 1 n, how far apart are they? (coulomb's constant is k = 9.0x 10^9 n-m^2/c^2? 9.5 m 9.0 mm 9.5 cm 0.9 m .
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The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.
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Two air track carts move along an air track towards each other. cart a has a mass of 450 g and moves...
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