Principles of Physics: A Calculus-Based Text
5th Edition
ISBN: 9781133104261
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 3, Problem 20P
(a)
To determine
Theposition vector of the athlete .
(b)
To determine
The vector velocity components of the athlete at the takeoff point.
(c)
To determine
An athlete jump maximum distance in horizontally.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A girl walks 3 m due east and then 4 m due north
1. The girl's displacement from the starting point is?
a) 1 m
B) 3 m
c) 5m
d) 7m
2. What was the total distance travelled by the girl?
a) 1m
b) 3m
c) 5 m
d) 7m
3. A single force, which can replace and have the same effect as two or more forces acting together, is known as the
a) resultant
b) equilibrant
c) moment
d)vector
4. Which of the following is not a vector quantity?
a) displacement
b) acceleration
c) density
d) momentum
Two forces, 1 = (3.90î − 2.60ĵ) N and 2 = (3.65î − 8.05ĵ) N, act on a particle of mass 2.10 kg that is initially at rest at coordinates (+1.60 m, +3.50 m).
(a) What are the components of the particle's velocity at t = 11.8 s? = 42.362i−59.826j m/s(b) In what direction is the particle moving at t = 11.8 s?305.302 ° counterclockwise from the +x-axis(c) What displacement does the particle undergo during the first 11.8 s?Δ = ????? m(d) What are the coordinates of the particle at t = 11.8 s?
x = ?????
y = ?????
A hockey puck with a mass of 0.170 kg moving in a straight line at 1.5 m / s collides with an identical puck that is at rest. As a result, the first disk deviates an angle of 30 ° from its original path and continues to move with a speed of 2.9 m / s. What is the magnitude of the final velocity of the second disk?
Chapter 3 Solutions
Principles of Physics: A Calculus-Based Text
Ch. 3.1 - Consider the following controls in an automobile...Ch. 3.3 - (i) As a projectile thrown upward moves in its...Ch. 3.3 - Rank the launch angles for the five paths in...Ch. 3.4 - Which of the following correctly describes the...Ch. 3.5 - A particle moves along a path, and its speed...Ch. 3 - In which of the following situations is the moving...Ch. 3 - A rubber stopper on the end of a string is swung...Ch. 3 - Figure OQ3.3 shows a birds-eye view of a car going...Ch. 3 - Entering his dorm room, a student tosses his book...Ch. 3 - Does a car moving around a circular track with...
Ch. 3 - An astronaut hits a golf ball on the Moon. Which...Ch. 3 - A projectile is launched on the Earth with a...Ch. 3 - A baseball is thrown from the outfield toward the...Ch. 3 - A student throws a heavy red ball horizontally...Ch. 3 - A sailor drops a wrench from the top of a...Ch. 3 - A set of keys on the end of a string is swung...Ch. 3 - Prob. 12OQCh. 3 - Prob. 1CQCh. 3 - Prob. 2CQCh. 3 - Prob. 3CQCh. 3 - Prob. 4CQCh. 3 - Prob. 5CQCh. 3 - Prob. 6CQCh. 3 - A projectile is launched at some angle to the...Ch. 3 - A motorist drives south at 20.0 m/s for 3.00 min,...Ch. 3 - Prob. 2PCh. 3 - A particle initially located at the origin has an...Ch. 3 - It is not possible to see very small objects, such...Ch. 3 - A fish swimming in a horizontal plane has velocity...Ch. 3 - At t = 0, a particle moving in the xy plane with...Ch. 3 - Mayan kings and many school sports teams are named...Ch. 3 - The small archerfish (length 20 to 25 cm) lives in...Ch. 3 - Prob. 9PCh. 3 - Prob. 10PCh. 3 - Prob. 11PCh. 3 - Prob. 12PCh. 3 - Prob. 13PCh. 3 - Prob. 14PCh. 3 - Prob. 15PCh. 3 - A firefighter, a distance d from a burning...Ch. 3 - A soccer player kicks a rock horizontally off a...Ch. 3 - Prob. 18PCh. 3 - A student stands at the edge of a cliff and throws...Ch. 3 - Prob. 20PCh. 3 - A playground is on the flat roof of a city school,...Ch. 3 - Prob. 22PCh. 3 - Prob. 23PCh. 3 - Prob. 24PCh. 3 - As their booster rockets separate, Space Shuttle...Ch. 3 - Prob. 26PCh. 3 - The astronaut orbiting the Earth in Figure P3.27...Ch. 3 - Prob. 28PCh. 3 - Prob. 29PCh. 3 - A point on a rotating turntable 20.0 cm from the...Ch. 3 - Figure P3.31 represents the total acceleration of...Ch. 3 - Prob. 32PCh. 3 - Prob. 33PCh. 3 - Prob. 34PCh. 3 - Prob. 35PCh. 3 - Prob. 36PCh. 3 - Prob. 37PCh. 3 - Prob. 38PCh. 3 - Prob. 39PCh. 3 - Prob. 40PCh. 3 - A certain light truck can go around an unbanked...Ch. 3 - A landscape architect is planning an artificial...Ch. 3 - Why is the following situation impassible? A...Ch. 3 - An astronaut on the surface of the Moon fires a...Ch. 3 - The Vomit Comet. In microgravity astronaut...Ch. 3 - A projectile is fired up an incline (incline angle...Ch. 3 - A basketball player is standing on the floor 10.0...Ch. 3 - A truck loaded with cannonball watermelons stops...Ch. 3 - A ball on the end of a string is whirled around in...Ch. 3 - An outfielder throws a baseball to his catcher in...Ch. 3 - Prob. 51PCh. 3 - A skier leaves the ramp of a ski jump with a...Ch. 3 - A World War II bomber flies horizontally over...Ch. 3 - A ball is thrown with an initial speed vi at an...Ch. 3 - Prob. 55PCh. 3 - A person standing at the top of a hemispherical...Ch. 3 - An aging coyote cannot run fast enough to catch a...Ch. 3 - Prob. 58PCh. 3 - The water in a river flows uniformly at a constant...Ch. 3 - Prob. 61P
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- The motion of a human body through space can be modeled as the motion of a particle at the bodys center of mass as we will study in Chapter 9. The components of the displacement of an athletes center of mass from the beginning to the end of a certain jump are described by the equations xj = 0 + (11.2 m/s) (cos 18.5)t 0.360 m = 0.840 m + (11.2 m/s)(sin 18.5)t - 12(9.80 m/s2)t2 where t is in seconds and is the time at which the athlete ends the jump. Identify (a) the athletes position and (b) his vector velocity at the takeoff point. (c) How far did he jump?arrow_forwardA system of three particles with masses m1 = 3.0 kg, m2 = 4.0 kg and m3 = 8.0 kg is placed on a two dimensional xy plane. The scales on the axes are set by xs = 2.0 m and ys = 2.0 m. (a) Find out the x coordinate of the system’s center of mass.(b) Find out the y coordinate of the system’s center of mass.(c) Find out the acceleration of the system if an external force of 5 N acts on it.arrow_forwardParticle of mass m on an inclined plane as shown in the figure V0 = 2 m / s is launched with an initial velocity. When friction is neglected, Find the velocity vector of the particle after 0.5 seconds. Vector Specify its components in the x-y coordinate system shown in the figure.arrow_forward
- A mechanical toy slides along an x axis on a frictionless surface with a velocity of (–0.43 m/s) when two internal springs separate the toy into three parts, as given below. What is the velocity, including sign, of part A?Part A: Mass 0.60 kg; Velocity ? m/sPart B: Mass 0.67 kg; Velocity 0.24? m/sPart C: Mass 0.23 kg; Velocity 0.27?̂ m/sarrow_forwardIn the figure, a slab of mass m1 = 40 kg rests on a frictionless floor, and a block of mass m2 = 10 kg rests on top of the slab. Between block and slab, the coefficient of static friction is 0.60, and the coefficient of kinetic friction is 0.40. A horizontal force F→ of magnitude 104 N begins to pull directly on the block, as shown. In unit-vector notation, what are the resulting accelerations of (a) the block and (b) the slab?arrow_forwardA child with a mass of 65.0 kg stands on a board with a mass of 225 kg. The initially stationary board surface can slide freely over the frozen lake surface, which is flat and frictionless. If the child moves on the board with a constant speed of 2.5 m / s relative to the board, what speed does it move relative to the frozen lake surface?A) 1.58 m / sB) 1.15 m / sC) 1.94 m / sD) 1.76 m / sE) 2.25 m / sarrow_forward
- In Fig, a slab of mass m1 =40 kg rests on a frictionless floor, and a block of mass m2 =10kg rests on top of the slab. Between block and slab, the coefficient of static friction is 0.60, and the coefficient of kinetic friction is 0.40. A horizontal force of magnitude 100 N begins to pull directly on the block, as shown. In unit-vector notation, what are the resulting accelerations of (a) the block and (b) the slab?arrow_forwardWhile moving into his new house, Voytek is sliding a heavy box of books across his bedroom floor. He turns to his little sister, Silvia, and says: “It is always harder to start to move an object that is initially at rest across a horizontal surface than it is to keep that same object moving.” Which statement correctly explains this effect?arrow_forwardA 200 kg rocket in deep space moves with a velocity of (121 m/s)î + (38.0 m/s)ĵ. Suddenly, it explodes into three pieces, with the first (82 kg) moving at −(428 m/s)î + (304 m/s)ĵ and the second (54 kg) moving at (14.0 m/s)î − (80.0 m/s)ĵ. Find the velocity (in m/s) of the third piece. (Express your answer in vector form.)arrow_forward
- Two forces, F1 = (6.10î + 4.30ĵ) N and F2 = (3.40î + 7.65ĵ) N, act on a particle of mass 2.20 kg that is initially at rest at coordinates (+2.05 m, −4.50 m). (c) What displacement does the particle undergo during the first 10.7 s? (answer in m)arrow_forwardA wood block weighing 44.75 N rests on a rough horizontal plane, the coefficient of friction being 0.40.If a bullet weighing 0.25 N is fired horizontally into the block with a velocity of 600 m/s, how far will theblock be displaced from its initial position ? Assume that the bullet remains inside the block. A.1.41m B.0.89m C.2.06m D.1.98marrow_forwardA particle of mass 0.75 kg is subject to a force that is always pointed towards the East but whose magnitude changes linearly with time t. The magnitude of the force is given as F = 5t, and has units of newtons. Let the x-axis point towards the East. Determine the change in the velocity Δv, in meters per second, of the particle between t = 0 and t = 1.2 sec. Determine the change in x-coordinate in meters of the particle Δx between t = 0 and t = 1.2 if the initial velocity is 13.4 m/s, and pointed in the same direction as the force.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Physics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Conservative and Non Conservative Forces; Author: AK LECTURES;https://www.youtube.com/watch?v=vFVCluvSrFc;License: Standard YouTube License, CC-BY