67! **Transcription for Educational Website:**---**Problem 66:**Review Conceptual Example 16 as a background for this problem. The water skier has a mass of 73 kg. Find the magnitude of the force on the skier when (a) she is accelerated from rest to a speed of 5.0 m/s in 8.0 s and (b) she lets go of the tow rope and glides to a halt in 21 s.**Problem 67:**In the drawing, the weight of the block on the table is 422 N and that of the hanging block is 185 N. Ignoring all frictional effects and assuming the pulley to be massless, find (a) the acceleration of the two blocks and (b) the tension in the cord.*Diagram Description:*The diagram includes two blocks connected over a pulley. One block, weighing 422 N, is on a table, while the other block, weighing 185 N, is hanging off the table connected by a rope running over a pulley.**Problem 68:**A rocket of mass 4.5 × 10^5 kg is accelerating straight up. Its engines produce an upward thrust of magnitude 7.5 × 10^6 N, and the air resistance is 2.4 × 10^6 N. Find the acceleration of the rocket.--- Use these problems to apply Newton's Second Law and practice solving for forces, acceleration, and tension in a system.

(a) For the block on the table, T=m1aT=W1ga For the hanging block, m2g-T=m2aW2-T=W2ga

67. In the drawing, the weight of the block on the table is 422 N and that of the hanging block is 185 N. Ignor- ing all frictional effects and assum- 422 N ing the pulley to be massless, find (a) the acceleration of the two blocks and (b) the tension in the cord. 185 N

67. In the drawing, the weight of the block on the table is 422 N and that of the hanging block is 185 N. Ignor- ing all frictional effects and assum- 422 N ing the pulley to be massless, find (a) the acceleration of the two blocks and (b) the tension in the cord. 185 N

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.

Question

67!

**Transcription for Educational Website:**

---

**Problem 66:**
Review Conceptual Example 16 as a background for this problem. The water skier has a mass of 73 kg. Find the magnitude of the force on the skier when (a) she is accelerated from rest to a speed of 5.0 m/s in 8.0 s and (b) she lets go of the tow rope and glides to a halt in 21 s.

**Problem 67:**
In the drawing, the weight of the block on the table is 422 N and that of the hanging block is 185 N. Ignoring all frictional effects and assuming the pulley to be massless, find (a) the acceleration of the two blocks and (b) the tension in the cord.

*Diagram Description:*
The diagram includes two blocks connected over a pulley. One block, weighing 422 N, is on a table, while the other block, weighing 185 N, is hanging off the table connected by a rope running over a pulley.

**Problem 68:**
A rocket of mass 4.5 × 10^5 kg is accelerating straight up. Its engines produce an upward thrust of magnitude 7.5 × 10^6 N, and the air resistance is 2.4 × 10^6 N. Find the acceleration of the rocket.

---

Use these problems to apply Newton's Second Law and practice solving for forces, acceleration, and tension in a system.

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