T1 2021 End-of-Trimester ComprehensiveAssignmentAnswer ALL 10 questions on paper, clearly showing your working.When done, scan your work to a .PDF file and submit it to the submissionfolder on the SEB101 unit site. Each question is worth 10 marks.Instructions:Due date: 04 June, 2021, 8:00 PM Melbourne time.This assignment is worth 40% of your grade in this unit.1. A particle has a velocity of (5 m/s)î – (4 m/s)j. During a time period of 1.2 s, its velocitychanges to (1.5 m/s)î + (6 m/s)j.Determine the magnitude of the acceleration of the object.2. A projectile is fired from the top of a mountain 1650 m high above a plain. The projectile landson the plain a horizontal distance of 4.7 km from the launch point. The launch angle ofinclination is 35 degrees above the horizontal.a. Determine the initial speed of the projectile.b. How long is the projectile in the air?3. A car drives on an unbanked eircular path at a speed of 60 km/hr. If the coefficient of staticfriction between the tyres and the road is 0.35, determine the smallest radius through which thecar can successfully go without skidding.2021/05/24 05:22The angular velocity of an 0.80 kg disc 14.0 cm in diameter is given by the equation

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Answered: 1. A particle has a velocity of (5…

1. A particle has a velocity of (5 m/s)î – (4 m/s)ĵ. During a time period of 1.2 s, its velocity changes to (1.5 m/s)î + (6 m/s)ĵ. Determine the magnitude of the acceleration of the object. %3

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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2. A child running around in a field has the following position and velocity at time t = 0: x = 1.5 m, y = 2.0 m Vx = -3.5 m/s, vy=-1.0 m/s At time t = 2.5 s, it has the following position and velocity: x = -2.0 m, y = 1.5 m vx = -0.50 m/s, v, = 2.0 m/s Using this information, find the child's average velocity and average acceleration during that time interval. Write your answers in unit vector notation.
2. The displacement of a particle which moves along the x axis is given by x = (-5 + 3t)^e-0.2t, consider x to be in feet and t in seconds. Plot the displacement, velocity and acceleration for the first 20 seconds of motion and determine, both graphically and by your established equation for acceleration, the time at which acceleration is 0.
A particle moves along the X-axis as x=u(t−2s)+a(t−2s)2. What is true? a) The initial velocity is u. b) The acceleration is a. c) The acceleration is 2a. d) at t = 2s, the particle is at origin.
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2. A spaceship in a videogame is programmed to move following the quantities below where velocity v is in m/s, time t is in seconds, and position vector r is in meters. The spaceship moves at constant acceleration in both axes. The spaceship starts moving from the position (5,-3). f (2t + 5)i + (t- 3)j V = 2ti + (2 + t)j (a) At what position will the spaceship be after 3.5 seconds. (Ans: (17, -2.5)) (b) What will be the velocity of the spaceship at moment it reaches 18.0 m in the x-axis? Express the answer in unit-vector form. (Ans: V = 81 + 4j) %3D
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2. A particle moves along the * axis according to the equation x = 2.02+3.08 t-1.00 t´, where x is in meter and † in second. a) Find the position of the particle at t=3.10s. b) Find the velocity at t= 3.10s. c) Find the acceleration at t = 3.10.