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by: snufkin

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# Physics Test 1 Study Guide PHYS 111

Marketplace > San Francisco State University > Physics > PHYS 111 > Physics Test 1 Study Guide
snufkin
SFSU
GPA 3.89

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Study Guide for Physics Test
COURSE
General Physics 1
PROF.
Elaine Tennant
TYPE
Study Guide
PAGES
3
WORDS
KARMA
50 ?

## Popular in Physics

This 3 page Study Guide was uploaded by snufkin on Friday September 23, 2016. The Study Guide belongs to PHYS 111 at San Francisco State University taught by Elaine Tennant in Fall 2016. Since its upload, it has received 8 views. For similar materials see General Physics 1 in Physics at San Francisco State University.

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Date Created: 09/23/16
Kinematics:                                                                                           Free   fall:       Trigonometry:                Projectile   Motion:        Zero     aunch     ngle: General   Launch   angle:                             SCI 111: Mock Exam 1 This Mock exam is composed of 4 multiple choice Questions and 2 free response questions.  Please read the multiple choice questions carefully and choose the best answer to each question,  for short answer (free response) show all your work, as well as equations you used.  BEFORE TAKING THIS EXAM ANSWER THE QUESTION BELOW Question: What is something about yourself that you’re proud of? _____________________________________________________________________________ Multiple Choice: • Two vectors A  and B  have the following components: A= +5.0m x,  ­4.0m y and B= ­8.0m x, ­3.0m y. What is the magnitude of vector B ­ A? • 3.1m • 3.7m • 7.6m • 13m 2. An apple falls from a tree and hits the ground 5 seconds later. How far did it fall? use  g=9.8m/s^2 • 5m • 10m • 25m • 49m • 123m      3. Which of the following correctly expresses 928,100 meters in kilometers  with 3 significant figures? • a. 9.3 x 10^5 km • b. 9.28 x 10^2 km • c. 9.28 x 10^5 km • d. 9.281 x 10^2 km • e. 9.281 x 10^8 km 4.  A ball is thrown horizontally with initial speed 40 m/s off a 45m tall cliff. What is the  ball’s horizontal displacement once it hits the ground? Use g=10m/s^2 • 40m • 60m • 80m • 100m • 165m Free Response • A person is trying to move a 15kg crate across a frictionless horizontal  surface. The person is pulling to the right on the rope attached to the crate. The rope  makes a ( 25 degree) with respect to the ground, and the box slides across the floor. a.  Draw a free body diagram of the box and all the forces acting on the box. Label each  force. b. If the crate has an acceleration of 3.0 m/s^s, What is the magnitude of the force the  person is applying to the crate? c. What is the magnitude of the normal force exerted on the crate by the floor?  2.  You’re sitting on your couch eating potato chips (couch potato lol) your bag of chips burst open and only one chip flies out. The one chip shoots out of the bag with an initial velocity of 1.5 m/s at an angle of 75 degrees above the horizontal. If the couch you’re sitting on is 0.2 m  above the ground, how long does it take for the chip to land on the floor? Show all your work

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