General Physics for Engineering I Exam
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Questions and Answers

Which of these options are correct? (Select all that apply)

  • Option 1
  • Option 2 (correct)
  • Option 4
  • Option 3 (correct)
  • This is an example statement that is true

    False

    Example question?

    example answer

    The ______ barked

    <p>dog</p> Signup and view all the answers

    Match the following programming languages with their primary usage:

    <p>Python = General-purpose programming JavaScript = Client-side scripting for web applications SQL = Database queries CSS = Styling web pages</p> Signup and view all the answers

    A box is sliding down an incline tilted at an angle 14.0° above horizontal. The box is sliding down the incline at a speed of 1.70 m/s. The coefficient of kinetic friction between the box and the incline is 0.380. How far does the box slide down the incline before coming to rest?

    <p>1.16 m</p> Signup and view all the answers

    A light weight object and a heavy object are sliding with equal speeds along a level frictionless surface. They both slide up the same frictionless hill. Which rises to a greater height? Ignore air resistance.

    <p>They both slide up to the same height.</p> Signup and view all the answers

    An inelastic collision of two objects is characterized by the following?

    <p>Only A and B are true</p> Signup and view all the answers

    A 0.140-kg baseball is dropped and reaches a speed of 1.20 m/s just before it hits the ground. It rebounces with a speed of 1.00 m/s. What is the change of the ball's momentum?

    <p>0.308 kg-m/s downwards</p> Signup and view all the answers

    The rotating systems shown in Fig.1 differs only in that the two identical movable masses are positioned a distance r from the axis of rotation (left), or a distance r/2 from the axis of rotation (right). If you release the hanging blocks simultaneously from rest?

    <p>the block at left lands first</p> Signup and view all the answers

    A uniform solid sphere of mass M and radius R rotates with an angular speed $\omega$ and a uniform solid cylinder of mass M, radius R, and height 2R. Both have the same rotational kinetic energy. What must be the angular speed of the cylinder?

    <p>$\sqrt{2}$/5$\omega$</p> Signup and view all the answers

    A skater rotating at 5.00 rad/s with arms extended has a moment of inertia of 2.25 kg.m² . If the arms are pulled in so the moment of inertia decreases to 1.80 kg.m², what is the final angular speed?

    <p>1.76 rad/s</p> Signup and view all the answers

    What is the angular momentum about the origin of a particle with a mass of 500 g when it is located at r = (4î + 3ĵ - 2k) m and moving at v = (5i - 2j + 4k) m/s?

    <p>(4i - 13j -11.5k) kg.m²/s</p> Signup and view all the answers

    A 1000-kg car approaches an intersection traveling north at 20.0 m/s. A 1200-kg car approaches the same intersection traveling east at 22.0 m/s. The two cars collide at the intersection and lock together. Ignoring any external forces that act on the cars during the collision, what is the velocity of the cars immediately after the collision?

    <p>21.1 m/s in a direction 47.7° east of north</p> Signup and view all the answers

    A wheel rotates through an angle of 320° as it slows down from 78.0 rpm to 22.8 rpm. What is the magnitude of the average angular acceleration of the wheel?

    <p>8.35 rad/s²</p> Signup and view all the answers

    A 6.00-kg block starts from rest and slides down a frictionless incline. When the block has slid a distance 2.00 m, its speed is 3.00 m/s. At what angle above the horizontal is the inclined plane tilted?

    <p>8.80°</p> Signup and view all the answers

    Mass of 3.0 kg is subject to a force F(x) = 8.0 N - (4.0 N/m)x. The potential energy of the mass is zero at x = 0. What is the potential energy of the mass at x = 2.0 m?

    <p>-4.0 J</p> Signup and view all the answers

    A 60.0-kg person rides in an elevator while standing on a scale. The scale reads 400 N. What is the acceleration of the elevator?

    <p>3.14 m/s² downward</p> Signup and view all the answers

    A car enters a 300-m radius flat curve on a rainy day when the coefficient of static friction between its tires and the road is 0.600. What is the maximum speed which the car can travel around the curve without sliding?

    <p>29.6 m/s</p> Signup and view all the answers

    Action-reaction forces are

    <p>equal in magnitude but point in opposite directions</p> Signup and view all the answers

    What is the average speed of the object between time t = 0.0 s and time t = 9.0 s?

    <p>0.33 m/s</p> Signup and view all the answers

    A speeding car is traveling at a constant 30.0 m/s when it passes a stationary police car. If the police car delays its motion for 1.00 s before starting, what must the constant acceleration of the police car be to catch the speeding car after the police car travels a distance of 300 m?

    <p>1.41 m/s²</p> Signup and view all the answers

    A 10-g bullet moving 1000 m/s strikes and passes through a 2-kg block initially at rest, as shown. The bullet emerges from the block with a speed of 400 m/s. To what maximum height will the block rise above its initial position?

    <p>Option 2</p> Signup and view all the answers

    The pulley in the figure below has radius 0.160 m and moment of inertia 0.560 kg.m². The rope does not slip on the pulley rim. Use energy methods to calculate the speed of the 4.00-kg block just before it strikes the floor.

    <p>Option 2</p> Signup and view all the answers

    Study Notes

    Final Exam Information

    • Course: General Physics for Engineering I (PHYS 191)
    • Semester: Fall 2013
    • Date: January 7, 2014
    • Instructors: Dr. A. Shalaby, Dr. Khalid Al-Qadi, Dr. Maitha Al-Murikhi, and Dr. Leena Al-Sulaiti
    • Exam Duration: 120 minutes
    • Exam Structure: Part A (10 multiple choice questions), Part B (4 problems)
    • Materials Permitted: Calculators, no electronic dictionaries, no mobile phones.
    • Instructions: All work should be completed on the exam paper; no loose papers are allowed.

    Useful Information (Equations)

    • P = mv (momentum)
    • AK + AU + A(other energy types = 0 (energy conservation)
    • E = K + U = constant (total energy)
    • AP = P−P (change in momentum)
    • Krotational = ½Iw² (rotational kinetic energy)
    • Additional equations and formulas provided in the document

    Part A (Multiple Choice Questions)

    • Question Types: Multiple choice with a single answer for each question.
    • Content Covered: Covers fundamental physics concepts, including kinematics, energy, momentum, and rotation. Multiple example questions are listed.

    Part B (Problems)

    • Question Types: Problematic solutions requiring detailed step-by-step calculations and answers.
    • Content Covered: Covers Mechanics issues, including problem examples on applying conservation principles (energy and momentum), calculating acceleration, tension in cords, momentum and velocity from collisions.

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    Description

    Prepare for your General Physics final exam with this comprehensive quiz covering momentum, energy conservation, and rotational motion. Featuring multiple choice questions and problem-solving, this quiz focuses on key concepts from PHYS 191. Make sure to review all the relevant equations and instructions before taking the test.

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