Given: x- coordinate: x= -5.00sinwt, where w is constant, x is meters, and t is seconds y-coordinate: y = 4.00 - 5.00coswt, where w is constant, y in meters, and t seconds What is the expression for acceleration vector? O A. (-coswti-sinwi) O B. 5w(-coswtī+sinwi) O C. 5w?(-sinwti+coswj) O D. 5w(sinwti+coswj)

Given: x- coordinate: x= -5.00sinwt, where w is constant, x is meters, and t is seconds y-coordinate: y = 4.00 - 5.00coswt, where w is constant, y in meters, and t seconds What is the expression for acceleration vector? O A. (-coswti-sinwi) O B. 5w(-coswtī+sinwi) O C. 5w?(-sinwti+coswj) O D. 5w(sinwti+coswj)

Name: Given:x- coordinate: x= -5.00sinwt, where w is constant, x is meters,
Uploaded: 2024-03-05T11:56:34.000Z
Channel: Bartleby
Description: Given:x- coordinate: x= -5.00sinwt, where w is constant, x is meters, and t is secondsy-coordinate: y = 4.00 - 5.00coswt, where w is constant, y in meters, and t secondsWhat is the expression for acceleration vector?O A. (-coswti-sinwi)O B. 5w(-cosw

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter2: Kinematics

Section: Chapter Questions

Problem 17CQ: Plus and minus signs are used in one-dimensional motion to indicate direction. What is the sign of...

See similar textbooks

Similar questions

A particle has a position vector given by r(t)=30 t i + (40t-tt^2) i, where r(t) is in meters and t is in seconds. Find the instantaneous velocity and instantaneous acceleration vectors as a function of time.
An object is moving in the x direction at 1.3 m/s when it is subjected to an acceleration given by a= 0.52j m/s2. What is its velocity vector after 4.4s of acceleration? Answer should be in components of vx and vy.
For the rest of this problem, assume that 0.3=α and 0.2−=β (each with appropriate SI units). b) Calculate my velocity vector at (i) t = 0 seconds, and (ii) t = 2.0 seconds c) Calculate my average acceleration for the interval from t = 0 to 2.0 seconds
What are the magnitude Δ? and angle ? of the change in velocity if the initial velocity is 60.0 m/s south and the final velocity is 45.0 m/s west? Let the angle ? be measured relative to the east direction (e.g., ?=90∘ means Δ?⃗ points north, ?=180∘ means Δ?⃗ points west, etc.).
What are the magnitude Δ? and angle ? of the change in velocity if the initial velocity is 15.0 m/s south and the final velocity is 70.0 m/s west? Let the angle ? be measured relative to the east direction (e.g., ?=90∘ means Δ? points north, ?=180∘ means Δ? points west, etc.).
An object moves on a horizontal coordinate line. Its directed distance s from the origin at theend of t seconds is t^3 − 6t^2 + 9t feet.(a) When is the object moving to the left?(b) What is the acceleration when its velocity is equal to zero?(c) When is the acceleration positive?(d) When is its speed increasing?
A bird files straight northeast a distance of 95.0 km for 3.0 h. With the x -axis due east and the y -axis due north, what is the displacement in unit vector notation for the bird? What is the average velocity for the trip?
Calculate the displacement and velocity at times of (a) 0.500, (b) 1.00, (c) 1.50, (d) 2.00, and (e) 2.50 s for a rock thrown straight down with an initial velocity of 14.0 m/s from the Verrazano Narrows Bridge in New York City. The roadway of this bridge is 70.0 m above the water.
Plus and minus signs are used in one-dimensional motion to indicate direction. What is the sign of an acceleration that reduces the magnitude of a negative velocity? Of a positive velocity?
What are the magnitude Δ? and angle ? of the change in velocity if the initial velocity is 45.0 m/s south and the final velocity is 45.0 m/s west? Let the angle ? be measured relative to the east direction (e.g., ?=90∘ means Δ?⃗ points north, ?=180∘means Δ?⃗ points west, etc.)
1.Which of the following is not a vector quantity? a. temperatureb. velocityc. accelerationd. displacementis given by which of the2A bird, accelerating from rest at a constant rate, experiences a displacement of 28 m in 11 s. What is the average velocity?a. 1.7 m/sb. 2.5 m/sc. 3.4 m/s d. zero3.A vehicle designed to operate on a drag strip accelerates from zero to 30 m/s while undergoing a straight line path displacement of 45 m. What is the vehicle's acceleration if its value may be assumed to be constant?a. 2.0 m/s2b. 5.0 m/s2c. 10 m/s2d. 15 m/s24.Which of the following is an example of a vector quantity? a. velocityb. temperaturec. volumed. mass5.A ball is launched from ground level at 30 m/s at an angle of 35° above the horizontal. How far does it go before it is at ground level again?a. 14mb. 21mc. 43m d. 86m
A hiker walks 2.00 km north and then 3.00 km east, all in2.50 hours. Calculate the magnitude and direction of thehiker’s (a) displacement (in km) and (b) average velocity (inkm/h) during those 2.50 hours. (c) What was her averagespeed during the same time interval?