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    alice and tom dive from an overhang into the lake below. tom simply drops straight down from the edge, but alice takes a running start and jumps with an initial horizontal velocity of 25 m/s. neither person experiences any significant air resistance. just as they reach the lake below

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    Chapter 4

    May 9, 2018 | Author: Anonymous | Category: Science, Physics, Mechanics

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    Chapter 4 Review

    Chapter 4 Review 2) While an object is in projectile motion (with upward being positive) with no air resistance A) the horizontal component of its velocity remains constant and the horizontal component of its acceleration is equal to -g. B) the horizontal component of its velocity remains constant and the vertical component of its acceleration is equal to –g

    C) the horizontal component of its velocity remains constant and the vertical component of its acceleration is equal to zero. D) the vertical component of both its velocity and its acceleration remain constant.

    E) the vertical component of its velocity remains constant and the vertical component of its acceleration is equal to -g.

    Chapter 4 Review 2) While an object is in projectile motion (with upward being positive) with no air resistance A) the horizontal component of its velocity remains constant and the horizontal component of its acceleration is equal to -g. B) the horizontal component of its velocity remains constant and the vertical component of its acceleration is equal to –g

    C) the horizontal component of its velocity remains constant and the vertical component of its acceleration is equal to zero. D) the vertical component of both its velocity and its acceleration remain constant.

    E) the vertical component of its velocity remains constant and the vertical component of its acceleration is equal to -g. Ans: B

    Chapter 4 Review 3) For general projectile motion, when the projectile is at the highest point of its trajectory A) its acceleration is zero. B) its velocity is perpendicular to the acceleration.

    C) its velocity and acceleration are both zero. D) the horizontal component of its velocity is zero. E) the horizontal and vertical components of its velocity are zero.

    Chapter 4 Review 3) For general projectile motion, when the projectile is at the highest point of its trajectory A) its acceleration is zero. B) its velocity is perpendicular to the acceleration.

    C) its velocity and acceleration are both zero. D) the horizontal component of its velocity is zero. E) the horizontal and vertical components of its velocity are zero. Ans: B

    Chapter 4 Review 4) Alice and Tom dive from an overhang into the lake below. Tom simply drops straight down from the edge, but Alice takes a running start and jumps with an initial horizontal velocity of 25 m/s. Neither person experiences any significant air resistance. Just as they reach the lake below A) the speed of Alice is larger than that of Tom. B) the splashdown speed of Alice is larger than that of Tom. C) they will both have the same speed. D) the speed of Tom will always be 9.8 m/s larger than that of Alice. E) the speed of Alice will always be 25 m/s larger than that of Tom.

    Chapter 4 Review 4) Alice and Tom dive from an overhang into the lake below. Tom simply drops straight down from the edge, but Alice takes a running start and jumps with an initial horizontal velocity of 25 m/s. Neither person experiences any significant air resistance. Just as they reach the lake below A) the speed of Alice is larger than that of Tom. B) the splashdown speed of Alice is larger than that of Tom. C) they will both have the same speed. D) the speed of Tom will always be 9.8 m/s larger than that of Alice. E) the speed of Alice will always be 25 m/s larger than that of Tom. ANS:A

    Chapter 4 Review 5) Alice and Tom dive from an overhang into the lake below. Tom simply drops straight down from the edge, but Alice takes a running start and jumps with an initial horizontal velocity of 25 m/s. Neither person experiences any significant air resistance. Compare the time it takes each of them to reach the lake below. A) Alice reaches the surface of the lake first. B) Tom reaches the surface of the lake first. C) Alice and Tom will reach the surface of the lake at the same time.

    Chapter 4 Review 5) Alice and Tom dive from an overhang into the lake below. Tom simply drops straight down from the edge, but Alice takes a running start and jumps with an initial horizontal velocity of 25 m/s. Neither person experiences any significant air resistance. Compare the time it takes each of them to reach the lake below. A) Alice reaches the surface of the lake first. B) Tom reaches the surface of the lake first. C) Alice and Tom will reach the surface of the lake at the same time. ANS: C

    Chapter 4 Review 7) A monkey is sitting at the top of a tree 20 m above ground level. A person standing on the ground wants to feed the monkey. He uses a bow and arrow to launch the food to the monkey. If the person knows that the monkey is going to drop from the tree at the same instant that the person launches the food, how should the person aim the arrow containing the food? Air resistance is small enough to be ignored. A) He should aim it at the monkey. B) He should aim it below the monkey. C) He should aim it above the monkey.

    Chapter 4 Review 7) A monkey is sitting at the top of a tree 20 m above ground level. A person standing on the ground wants to feed the monkey. He uses a bow and arrow to launch the food to the monkey. If the person knows that the monkey is going to drop from the tree at the same instant that the person launches the food, how should the person aim the arrow containing the food? Air resistance is small enough to be ignored. A) He should aim it at the monkey. B) He should aim it below the monkey. C) He should aim it above the monkey. ANS: A

    Source : nanopdf.com

    Chapter 3 Flashcards

    Start studying Chapter 3. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

    Chapter 3

    4.7 3 Reviews

    While an object is in projectile motion (with upward being positive) with no air resistance

    A) the horizontal component of its velocity remains constant and the horizontal component of its acceleration is equal to -g.

    B) the horizontal component of its velocity remains constant and the vertical component of its acceleration is equal to -g.

    C) the horizontal component of its velocity remains constant and the vertical component of its acceleration is equal to zero.

    D) the vertical component of both its velocity and its acceleration remain constant.

    E) the vertical component of its velocity remains constant and the vertical component of its acceleration is equal to -g.

    Click card to see definition 👆

    B

    Click again to see term 👆

    For general projectile motion, when the projectile is at the highest point of its trajectory

    A) its acceleration is zero.

    B) its velocity is perpendicular to the acceleration.

    C) its velocity and acceleration are both zero.

    D) the horizontal component of its velocity is zero.

    E) the horizontal and vertical components of its velocity are zero.

    Click card to see definition 👆

    B

    Click again to see term 👆

    1/36 Created by rashquel

    Terms in this set (36)

    While an object is in projectile motion (with upward being positive) with no air resistance

    A) the horizontal component of its velocity remains constant and the horizontal component of its acceleration is equal to -g.

    B) the horizontal component of its velocity remains constant and the vertical component of its acceleration is equal to -g.

    C) the horizontal component of its velocity remains constant and the vertical component of its acceleration is equal to zero.

    D) the vertical component of both its velocity and its acceleration remain constant.

    E) the vertical component of its velocity remains constant and the vertical component of its acceleration is equal to -g.

    B

    For general projectile motion, when the projectile is at the highest point of its trajectory

    A) its acceleration is zero.

    B) its velocity is perpendicular to the acceleration.

    C) its velocity and acceleration are both zero.

    D) the horizontal component of its velocity is zero.

    E) the horizontal and vertical components of its velocity are zero.

    B

    Alice and Tom dive from an overhang into the lake below. Tom simply drops straight down from the edge, but Alice takes a running start and jumps with an initial horizontal velocity of 25 m/s. Neither person experiences any significant air resistance. Just as they reach the lake below

    A) the speed of Alice is larger than that of Tom.

    B) the splashdown speed of Alice is larger than that of Tom.

    C) they will both have the same speed.

    D) the speed of Tom will always be 9.8 m/s larger than that of Alice.

    E) the speed of Alice will always be 25 m/s larger than that of Tom.

    A

    Alice and Tom dive from an overhang into the lake below. Tom simply drops straight down from the edge, but Alice takes a running start and jumps with an initial horizontal velocity of 25 m/s. Neither person experiences any significant air resistance. Compare the time it takes each of them to reach the lake below.

    A) Alice reaches the surface of the lake first.

    B) Tom reaches the surface of the lake first.

    C) Alice and Tom will reach the surface of the lake at the same time.

    C

    Jan and Len throw identical rocks off a tall building at the same time. The ground near the building is flat. Jan throws her rock straight downward. Len throws his rock downward and outward such that the angle between the initial velocity of the rock and the horizon is 30°. Len throws the rock with a speed twice that of Jan's rock. If air resistance is negligible, which rock hits the ground first?

    A) They hit at the same time.

    B) Jan's rock hits first.

    C) Len's rock hits first.

    D) It is impossible to know from the information given.

    A

    A monkey is sitting at the top of a tree 20 m above ground level. A person standing on the ground wants to feed the monkey. He uses a bow and arrow to launch the food to the monkey. If the person knows that the monkey is going to drop from the tree at the same instant that the person launches the food, how should the person aim the arrow containing the food? Air resistance is small enough to be ignored.

    A) He should aim it at the monkey.

    B) He should aim it below the monkey.

    C) He should aim it above the monkey.

    A

    A pilot drops a package from a plane flying horizontally at a constant speed. Neglecting air resistance, when the package hits the ground the horizontal location of the plane will

    A) be behind the package.

    B) be over the package.

    C) be in front of the package.

    D) depend of the speed of the plane when the package was released.

    B

    For an object in uniform circular motion, its velocity and acceleration vectors are always perpendicular to each other at every point in the path.

    A) True B) False A

    If an object travels at a constant speed in a circular path, the acceleration of the object is

    A) larger in magnitude the smaller the radius of the circle.

    B) in the same direction as the velocity of the object.

    Source : quizlet.com

    Alice and tom dive from an overhang into the lake below. tom simply drops straight down from the

    Alice and tom dive from an overhang into the lake below. tom simply drops straight down from the edge, but alice takes a running start and jumps with an - 55240…

    Unlock all answers 09/26/2017 Physics College

    answered • expert verified

    Alice and tom dive from an overhang into the lake below. tom simply drops straight down from the edge, but alice takes a running start and jumps with an initial horizontal velocity of 25 m/s. neither person experiences any significant air resistance. compare the time it takes each of them to reach the lake below. alice and tom dive from an overhang into the lake below. tom simply drops straight down from the edge, but alice takes a running start and jumps with an initial horizontal velocity of 25 m/s. neither person experiences any significant air resistance. compare the time it takes each of them to reach the lake below. tom reaches the surface of the lake first. alice reaches the surface of the lake first. alice and tom will reach the surface of the lake at the same time.

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