< University Physics Volume 1 Problems E Table of contents Search this book 9 My highlights VViat is its uispiacement at i= S (D) vviaL IS ItS veioCity at ris Same timme 46 . (a) Sketch a graph of velocity versus time corresponding to the graph of displacement versus time given in the following figure. (b) Identify the time or times (ta, tp, te, etc.) at which the instantaneous velocity has the greatest positive value. (c) At which times is it zero? (d) At which times is it negative? f d. Time t 47 lal Sketch a granh of acceleration versus time.corresponding to the araph of velocity versus time given in 6:02 PM P Type here to search |73% Rain.. 1/30/2022 Position x

< University Physics Volume 1 Problems E Table of contents Search this book 9 My highlights VViat is its uispiacement at i= S (D) vviaL IS ItS veioCity at ris Same timme 46 . (a) Sketch a graph of velocity versus time corresponding to the graph of displacement versus time given in the following figure. (b) Identify the time or times (ta, tp, te, etc.) at which the instantaneous velocity has the greatest positive value. (c) At which times is it zero? (d) At which times is it negative? f d. Time t 47 lal Sketch a granh of acceleration versus time.corresponding to the araph of velocity versus time given in 6:02 PM P Type here to search |73% Rain.. 1/30/2022 Position x

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter3: Motion Along A Straight Line

Section: Chapter Questions

Problem 3CQ: Bacteria move back and forth using their flagella (structures that look like little tails). Speeds...

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I. If s’(t) = v(t), and s’’(t) = a(t), use the fact that integration reverses differentiation (+C) and the given information about s(t) to find the particular solution to the following problem. If a model rocket’s velocity is given by a(t)= -32 m/s2 and v(0)= 10 and position at 1 second is 1,000 m, find s(t). Hint: Integrate a(t) to find v(t), then integratev(t) to find s(t), finding each C using the given info.
You throw a water balloon vertically downwards with a speed of 15 m/s from a height of 29 m above the ground. At the exact same time, your friend drops a water balloon from a height of 11 m above the ground at the same speed.(a) Which water balloon hits the ground first? Yours or your friend's? Use calculations tosupport your answer.(b) How much faster is your water balloon traveling when it hits the ground compared to thespeed of your friend's water balloon when it hits the ground?
A dart is thrown horizontally at a speed of 10 m/s at the bull’s-eye of a dartboard 2.4 m away, as in the following figure. (a) How far below the Intended target does the dart hit? (b) What does your answer tell you about how proficient dart players throw their darts?
Bacteria move back and forth using their flagella (structures that look like little tails). Speeds of up to 50m/s(50106m/s) have been observed. The total distance traveled by a bacterium is large for its size, whereas its displacement is small. Why is this?
The fastest commercially available rifle bulletclaims a muzzle velocity of 4225 ft>s. (a) What is this speed in milesper hour? (b) How far (in meters) can this bullet travel in 5.0 ms?
*ONLY ANSWER PART C & D* Part A.) What is the final velocity, in meters per second, of a freight train that accelerates at a rate of 0.095 m/s2 for 8.75 min, starting with an initial velocity of 3.8 m/s? Part B.) If the train can slow down at a rate of 0.575 m/s2, how long, in seconds, does it take to come to a stop from this velocity? Part C.) How far, in meters, does the train travel during the process described in part (A)? Part D.) How far, in meters, does the train travel during the process described in part (B)?
A player passes a basketball to another player who catches it at the same level from which it was thrown. The initial speed of the ball is 7.2 m/s, and it travels a distance of 4.7 m a.) What was the initial direction of the ball? (Express your answer using two significant figures. If there is more than one answer, separate them by a comma) b.) What was its time of flight? (Express your answer using six significant figures. If there is more than one answer, separate them by a comma)
An advertisement for the newest model of a Mercedes sports claims the car can go from 0 to 60 miles per hour (mph) in just 3.3 seconds! a) How many meters per second (m/s) is 60 mph? b) In m/s 2 (sometimes written as m/s/s also, just so you know), what is the supposed acceleration of the sports car? c) Impressed by this claim, Sherry buys one. She hops into her new Mercedes sports car and steps on the gas. She’s an engineer and did the math later on; she discovered that her car’s acceleration is 6.7 m/s2 . i) Is her car’s acceleration faster or slower than the advertisement claims it should be? ii) In seconds, how long did it actually take for Sherry’s car to reach 60 mph
Thank you in advance for your quick help. Qb. . A stone is thrown upward at angle of 32o with a speed of 25 m/s from thetop of a 50-m high building. (a) How long does it take the stone to reachthe ground? (b) What is the speed of the stone just before it hits theground?Qc. Suppose the position of a particle is given as a function of time by r(t) =x(t)i + y(t)j, with x(t) = at + b and y(t) = ct2 + d, where a = 1 m/s, b = 1 m,c = 0.225 m/s2, and d = 1 m. (a) Calculate the average velocity during thetime interval from t = 2 s to t = 5 s. (b) Determine the velocity and thespeed at t = 3 s.
Now let’s apply our definition of average velocity to a swimming competition. During one heat of a swim meet, a swimmer performs the crawl stroke in a pool 50.0 mm long, as shown in (Figure 1). She swims a length at racing speed, taking 24.0 ss to cover the length of the pool. She then takes twice that time to swim casually back to her starting point. Find (a) her average velocity for each length and (b) her average velocity for the entire swim. c) If the swimmer could cross a 15 kmkm channel maintaining the same average velocity as for the first 50 mm in the pool, how long would it take?
Let's say you ride your bike from your house to your friend's house. To get there uou have to go 4.00 miles south, 8.00 miles west, then 6.00 miles north. This trip takes 32.5 minutes.a. What is your average speed for the trip in miles per minute? b. What is your average velocity for the trip in miles per minute?
The answer for part b that I have says 200N. I just was not sure how to do it. Should you be using 2 m/s ( Block A) as the velocity in this equation, instead of 1 m/s? Thanks.