PHYS 212 FOR SCI+ENG W/MAST PHYS >ICP<
1st Edition
ISBN: 9781323834831
Author: Knight
Publisher: PEARSON C
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 4, Problem 5EAP
Answer Problems 3 through 5 by choosing one of the eight labeled acceleration vectors or selecting option I: =
3. At this instant, the particle has steady speed and is curving to the right. What is the direction of its acceleration?
4. At this instant, the particle is speeding up and curving upward. What is the direction of its acceleration?
5. At this instant, the particle is speeding up and curving downward. What is the direction of its acceleration?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A dolphin jumps with an initial velocity of 15m/s at an angle of 450 above the horizontal. The dolphin passes through the center of a hoop before returning to the water. The dolphin is moving horizontally when it goes through the hoop.
I. What are the x and y components of the initial velocity?
???=
???=
II. What are the accelerations in the horizontal and vertical direction?
??=
??=
III. How high above the water is the center of the hoop?
IV.How long the ball will remain in the air?
V. What are the x and y components of the ball’s velocity at t=1.2s?
There are two frogs named Froggy and Jumpy. They jumped form the top of a vertical cliff. Froggy just drop and reaches the ground in 3.50 s, while Jumpy jumps horizontally with an initial speed 95 cm/s. A. How far from the base of the cliff will Jumpy hit the ground? B. How high is the vertical cliff? C. If Jumpy jumps with an angle of 30 degrees with respect to the horizontal, what should be its initial velocity for it to land on the same spot as he did when he jumped horizontally?
An arrow is shot from a height of 1.75 m toward a cliff of height H. It is shot with a velocity of 32 m/s at an angle of 60° above the horizontal. It lands on the top edge of the cliff 3.65 s later.a. what is the maximum height reached by the arrow along its trajectory in meters?b. what is the arrows speed just before hitting the cliff in m/s?
Chapter 4 Solutions
PHYS 212 FOR SCI+ENG W/MAST PHYS >ICP<
Ch. 4 - a. At this instant, is the particle in FIGURE Q4.1...Ch. 4 - a. At this instant, is the particle in FIGURE Q4.2...Ch. 4 - Tarzan swings through the jungle by hanging from a...Ch. 4 - A projectile is launched at an angle of 30°. a. Is...Ch. 4 - For a projectile, which of the following...Ch. 4 - A cart that is rolling at constant velocity on a...Ch. 4 - A rock is thrown from a bridge at an angle 30°...Ch. 4 - Anita is running to the right at 5 m/s in FIGURE...Ch. 4 - An electromagnet on the ceiling of an airplane...Ch. 4 - Zack is driving past his house in FIGURE Q4.1O. He...
Ch. 4 - II. In FIGURE Q4.11. Yvette and Zack are driving...Ch. 4 - In uniform circular motion, which of the following...Ch. 4 - FIGURE Q4.13 shows three points on a steadily...Ch. 4 - FIGURE Q4.14 shows four rotating wheels. For each,...Ch. 4 - FIGURE Q4.15 shows a pendulum at one end point of...Ch. 4 - Problems I and 2 show a partial motion diagram....Ch. 4 - Prob. 2EAPCh. 4 - Answer Problems 3 through 5 by choosing one of the...Ch. 4 - Answer Problems 3 through 5 by choosing one of the...Ch. 4 - Answer Problems 3 through 5 by choosing one of the...Ch. 4 - A rocket-powered hockey puck moves on a horizontal...Ch. 4 - A rocket-powered hockey puck moves on a horizontal...Ch. 4 - Prob. 8EAPCh. 4 - A particle moving in the xy- plane has velocity v...Ch. 4 - You have a remote-controlled car that has been...Ch. 4 - A ball thrown horizontally at 25 m/s travels a...Ch. 4 - A physics student on the Planet Exidor throws a...Ch. 4 - A supply plane needs to drop a package of food to...Ch. 4 - A rifle is aimed horizontally at a target 50 m...Ch. 4 - In the Olympic shotput event, an athlete throws...Ch. 4 - On the Apollo 14 mission to the moon, astronaut...Ch. 4 - A baseball player friend of yours wants to...Ch. 4 - A boat takes 3.0 hours to travel 30 km down a...Ch. 4 - When the moving sidewalk at the airport is broken,...Ch. 4 - Prob. 20EAPCh. 4 - A kayaker, needs to paddle north across a...Ch. 4 - Susan, driving north at 60 mph, and Trent, driving...Ch. 4 - FIGURE EX4.23 shows the...Ch. 4 - FIGURE EX4.24 shows the...Ch. 4 - FIGURE EX4.25 shows the...Ch. 4 - The earth’s radius is about 4000 miles. Kampala,...Ch. 4 - An old-fashioned single-play vinyl record rotates...Ch. 4 - As the earth mates, what is the speed of (a) a...Ch. 4 - How fast must a plane fly along the earth’s...Ch. 4 - A 3000-rn-high mountain is located on the equator....Ch. 4 - Peregrine falcons are known for their maneuvering...Ch. 4 - To withstand “g-forces” of up to 10 g’s, caused by...Ch. 4 - The radius of the earth’s very nearly circular...Ch. 4 - A speck of dust on a spinning DVD has a...Ch. 4 - Your roommate is working on his bicycle and has...Ch. 4 - I FIGURE EX4.36 shows the angular velocity graph...Ch. 4 - I FIGURE EX4.37 shows the angular acceleration...Ch. 4 - FIGURE EX4.38 shows the...Ch. 4 - A wheel initially rotating at 60 rpm experiences...Ch. 4 - A 5.0-rn-diameter merry-go-round is initially...Ch. 4 - An electric fan goes from rest to 1800 rpm in 4.0...Ch. 4 - A bicycle wheel is rotating at 50 rpm when the...Ch. 4 - Starting from rest, a DVD steadily accelerates to...Ch. 4 - A spaceship maneuvering near Planet Zeta is...Ch. 4 - equation reference goes here45. A particle moving...Ch. 4 - A projectile’s horizontal range over level ground...Ch. 4 - a. A projectile is launched with speed v0and angle...Ch. 4 - A projectile is launched from ground level at...Ch. 4 - A gray kangaroo can bound across level ground with...Ch. 4 - A ball is thrown toward a cliff of height h with a...Ch. 4 - A tennis player hits a ball 2.0 m above the...Ch. 4 - You are target shooting using a toy gun that fires...Ch. 4 - A 35 g steel ball is held by a ceiling-mounted...Ch. 4 - You are watching an archery tournament when you...Ch. 4 - You’re 6.0 m from one wall of the house seen in...Ch. 4 - Sand moves without slipping at 6.0 m/s down a...Ch. 4 - A stunt man drives a car at a speed of 20 m/s off...Ch. 4 - A javelin thrower standing at rest holds the...Ch. 4 - A rubber ball is dropped onto a ramp that is...Ch. 4 - You are asked to consult for the city’s research...Ch. 4 - Ships A and B leave port together. For the next...Ch. 4 - While driving north at 25 m/s during a rainstorm...Ch. 4 - You’ve been assigned the task of using a shaft...Ch. 4 - Prob. 64EAPCh. 4 - Prob. 65EAPCh. 4 - Astronauts use a centrifuge to simulate the...Ch. 4 - Communications satellites are placed in a circular...Ch. 4 - Prob. 68EAPCh. 4 - A high-speed drill rotating ccw at 2400 rpm comes...Ch. 4 - A turbine is spinning at 3800 rpm. Frication in...Ch. 4 - Prob. 71EAPCh. 4 - The angular velocity of a process control motor is...Ch. 4 - A Ferris wheel of radius R speeds up with angular...Ch. 4 - Prob. 74EAPCh. 4 - A painted tooth on a spinning gear has angular...Ch. 4 - A car starts from rest on a curve with radius of...Ch. 4 - Prob. 77EAPCh. 4 - In Problem 78 through 80 you are given the...Ch. 4 - Prob. 79EAPCh. 4 - In Problem 78 through 80 you are given the...Ch. 4 - In one contest at the country fair, seen in FIGURE...Ch. 4 - Prob. 82EAPCh. 4 - Prob. 83EAPCh. 4 - Prob. 84EAPCh. 4 - Prob. 85EAP
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
- A particle moves along a path, and its speed increases with time. (i) In which of the following cases are its acceleration and velocity vectors parallel? (a) when the path is circular. (b) when the path is straight. (c) when the path is a parabola. (d) never. (ii) From the same choices, in which case are its acceleration and velocity vectors perpendicular everywhere along the path?arrow_forwardAt the equator, the radius of the Earth is approximately 6370km. A jet flies at a very low altitude at a constant speed of v=237m/s. Upon landing, the jet can produce an average deceleration of magnitude a=21.5m/s^2. A. How long, in seconds, will it take the jet to circle the Earth at the equator? B. What is the minimum landing distance, in meters, this jet needs to come to rest? Assume that, when the jet initially touches the ground, it is moving at the same speed as it was when it was flying.arrow_forwardA snowball rolls off a barn roof that slopes downward at an angle of 40°. The edge of the roof is 14.0 m above the ground, and the snowball has a speed of 7.0 m/s as it rolls off the roof. PROVIDE ILLUSTRATIONS. a. How far from the edge of the barn does the snowball strike the ground if it doesn't strike anything else while falling? b. A man 1.9 m tall is standing 4.0 m from the edge of the barn. What is the vertical clearance between the man and the snowball.arrow_forward
- 1. a. At this instant, is the particle in FIGURE Q4.10 speeding up, slowing down, or traveling at constant speed? FIGURE Q4.1 a or traveling straight? V b. Is this particle curving to the right, curving to the left,arrow_forwardYou throw a ball toward a wall at speed 25.0 m/s and at angle 00 = 40.3° above the horizontal. The wall is distance d =24.3 m from the release point of the ball. a. How far above the release point does the ball hit the wall? b. What are the horizontal and vertical components of its velocity as it hits the wall? c. When it hits, has it passed the highest point on its Trajectory?arrow_forwardA golf ball is struck with an initial velocity of 10m/s at an angle of 30 degrees above the horizontal. a. How far does the ball travel along the x direction just before it hits the ground? b. What is the maximum height of the ball?arrow_forward
- A rocket is launched from rest and moves in a straight line at 50.0 degrees above the horizontal with an acceleration of 70.0 m/s². After 10.0 s of powered flight, the engines shut off and the rocket follows a parabolic path back to earth. Find the time of flight from launch to impact. What is the maximum altitude reached? What is the horizontal distance between the launch pad and the impact point? ?arrow_forwardA ball rolls off a horizontal roof. The edge of the roof is 14.0 m above the ground, and the ball has a speed of 8.00 m/s as it rolls off the roof, as shown in the drawing below. a). How far from the edge of the building does the ball strike the ground? b). A person 2.00 m tall is standing 10.0 m from the edge of the building. Are they hit by the ball? c). What is the magnitude, and angle with respect to the ground, of the ball's velocity just as it hits the ground? 14.0m (The figure above is for Question 2.)arrow_forwardA particle is moving in the xy plane starting from the origin with an initial velocity in x of 15 meters per second and an initial velocity in y of -10 meters per second. The object moves at constant velocity in x and constant acceleration in y. The acceleration in y is -1 m/s^2. a.) Determine the total velocity vector vf at any time t. b.) Determine the position of the particle r at any time, t. What is the particle after 5 seconds?arrow_forward
- A motorboat is crossing a river. The river flows due north with a speed of 3m/s and has straight, parallel sides 80m apart. The pilot sets off from the west bank with a velocity of 4m/s due east relative to the water. 1. What is the velocity of the boat relative to the shore? 2. How long does it take the boat to cross the river? 3. How far downstream from its starting point is the motorboat when it reaches the opposite bank?arrow_forwardThe speed of a particle moving along circle of radius r=4 m, is v(t) = 4t; where v is in m/s and t is in s. The magnitude of the total acceleration (in m/s) of the particle at t = 1s is: a.4.0 b. 5.4 c. 8.9 d.2.1 e. 6.7arrow_forwardA particle moves in the xy plane, starting from the origin at t = 0 with an initial velocity having an x-component of 10 m/s and ay-component of -5 m/s. The particle experiences an acceleration only in the x-direction, given by ax = 3 m/s2 please find 1. the total velocity vector at t=2 s.2. the speed of the particle at t=2 s.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Kinematics Part 3: Projectile Motion; Author: Professor Dave explains;https://www.youtube.com/watch?v=aY8z2qO44WA;License: Standard YouTube License, CC-BY