4:11 C3 all 72% iHome / My Courses / PHYS1101.1 General Physics I (4)| Sınavlar (Quizzes / Exams) / Quiz 6PHYS1101.1 General Physics(4)Question 1Not yet answered Points out of 1.00 P Flag questionSuppose that two bodies, A (ma = 1.0 kg) and B (mR=2.0 kg), collide. The velocities before the collision are vA = 1.5å + 3}m/s and e = -0.5i + 0.5) m/s. After the collision the velocity of block A is v, = -0.5 + 2j m/s .What is the velocity of the center of mass of the system before collision in m/s?Select one:-i +a.b.C.+ !-d.e.f. 12Time left 0:18:02H/2

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University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter5: Relativity

Section: Chapter Questions

Problem 55P: (a) Find the momentum of a asteroid heading towards Earth at 30.0 km/s. (b) Find the ratio of this...

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The Sun produces energy at a rate of 4.001026 W by the fusion of hydrogen. (a) How many kilograms of hydrogen undergo fusion each second? (b) If the Sun is 90.0% hydrogen and half of this can undergo fusion before the Sun changes character, how long could it produce energy at its current rate? (c) How many kilograms of mass is the Sun losing per second? (d) What fraction of its mass will it have lost in the time found in part (b)?
(a) Find the momentum of a asteroid heading towards Earth at 30.0 km/s. (b) Find the ratio of this momentum to the classical momentum. (Hint: Use the approximation that at low velocities.)
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