A mother rocket which is fired from the ground last New Year's Eve ejects two percent of its mass at the rate of 5m/s in the first second of its flight. Find the initial acceleration of the mother rocket.
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A mother rocket which is fired from the ground last New Year's Eve ejects two percent of its mass at the rate of 5m/s in the first second of its flight. Find the initial acceleration of the mother rocket.
![A mother rocket which is fired from the ground last New Year's Eve
ejects two percent of its mass at the rate of 5 m/s in the first second
of its flight. Find the initial acceleration of the mother rocket.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F80c716d7-9c13-4ecd-854e-b2e45de69495%2F151a6363-a4d8-4709-b606-d84e76b6ac78%2Fkuolq5m_processed.png&w=3840&q=75)
![A mother rocket which is fired from the ground last New Year's Eve
ejects two percent of its mass at the rate of 5 m/s in the first second
of its flight. Find the initial acceleration of the mother rocket.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F80c716d7-9c13-4ecd-854e-b2e45de69495%2F151a6363-a4d8-4709-b606-d84e76b6ac78%2Foi21hy_processed.png&w=3840&q=75)
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- In a game of pool, a cue ball with an initial velocity of 2.10 m/s directed to the right (along the +x-axis) collides with the five ball, which has equal mass and is initially at rest. The five ball then moves at 1.82 m/s at an angle of 30.0 degrees above the +x direction. (a) Find the cue ball's final velocity. magnitude= direction= below the positive x-axis (b) Is kinetic energy conserved? Yes or NoA 0.346 kg puck, initially at rest on a hor- izontal, frictionless surface, is struck by a 0.275 kg puck moving initially along the r axis with a speed of 2.01 m/s. After the colli- sion, the 0.275 kg puck has a speed of 1.01 m/s at an angle of 37° to the positive x axis. Determine the magnitude of the velocity of the 0.346 kg puck after the collision. Answer in units of m/s. Answer in units of m/s. 1. 1.3422 2. 1.21901 3. 0.347028 4. 1.14264 5. 1.07153 6. 0.637653 7. 0.328271 8. 0.591588 9. 0.551494 10. 1.00165A 46,0-kg girl is standing on a 161-kg plank. Both originally at rest on a frozen lake that constitutes a frictionless, flat surface. The girl begins to walk along the plank at a constant velocity of 1.461 m/s relative to the plank. (a) What is the velocity of the plank relative to the ice surface? 1 m/s (b) What is the gitt's velocity relative to the ice surface?