3. DETAILS SERPSE10 4.2.P.003. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The vector position of a particle varies in time according to the expression 6.80 î - 8.80t2 j where is in meters and t is in seconds. (a) Find an expression for the velocity of the particle as a function of time. (Use any variable or symbol stated above as necessary.) m/s (b) Determine the acceleration of the particle as a function of time. (Use any variable or symbol stated above as necessary.) m/s2 (c) Calculate the particle's position and velocity at t = 2.00 s. m/s 1. DETAILS SERPSE10 4.1.OP.001. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A bus driver heads south with a steady speed of v, = 20.0 m/s for t, = 3.00 min, then makes a right turn and travels at v, = 25.0 m/s for t, = 2.40 min, and then drives northwest at V3 = 30.0 m/s for tą = 1.00 min. For this 6.40-min trip, calculate the following. Assume +x is in the eastward direction. (a) total vector displacement (Enter the magnitude in m and the direction in degrees south of west.) magnitude m direction ° south of west (b) average speed (in m/s) m/s (c) average velocity (Enter the magnitude in m/s and the direction in degrees south of west.) magnitude m/s direction o south of west Need Help? Read It
3. DETAILS SERPSE10 4.2.P.003. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The vector position of a particle varies in time according to the expression 6.80 î - 8.80t2 j where is in meters and t is in seconds. (a) Find an expression for the velocity of the particle as a function of time. (Use any variable or symbol stated above as necessary.) m/s (b) Determine the acceleration of the particle as a function of time. (Use any variable or symbol stated above as necessary.) m/s2 (c) Calculate the particle's position and velocity at t = 2.00 s. m/s 1. DETAILS SERPSE10 4.1.OP.001. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A bus driver heads south with a steady speed of v, = 20.0 m/s for t, = 3.00 min, then makes a right turn and travels at v, = 25.0 m/s for t, = 2.40 min, and then drives northwest at V3 = 30.0 m/s for tą = 1.00 min. For this 6.40-min trip, calculate the following. Assume +x is in the eastward direction. (a) total vector displacement (Enter the magnitude in m and the direction in degrees south of west.) magnitude m direction ° south of west (b) average speed (in m/s) m/s (c) average velocity (Enter the magnitude in m/s and the direction in degrees south of west.) magnitude m/s direction o south of west Need Help? Read It
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:3.
DETAILS
SERPSE10 4.2.P.003.
MY NOTES
ASK YOUR TEACHER
PRACTICE ANOTHER
The vector position of a particle varies in time according to the expression
6.80 î - 8.80t2 j where is in meters and t is in seconds.
(a) Find an expression for the velocity of the particle as a function of time. (Use any variable or symbol stated above as necessary.)
m/s
(b) Determine the acceleration of the particle as a function of time. (Use any variable or symbol stated above as necessary.)
m/s2
(c) Calculate the particle's position and velocity at t = 2.00 s.
m/s
Transcribed Image Text:1.
DETAILS
SERPSE10 4.1.OP.001.
MY NOTES
ASK YOUR TEACHER
PRACTICE ANOTHER
A bus driver heads south with a steady speed of v, = 20.0 m/s for t, = 3.00 min, then makes a right turn and travels at v, = 25.0 m/s for t, = 2.40 min, and then drives
northwest at V3 = 30.0 m/s for tą = 1.00 min. For this 6.40-min trip, calculate the following. Assume +x is in the eastward direction.
(a) total vector displacement (Enter the magnitude in m and the direction in degrees south of west.)
magnitude
m
direction
° south of west
(b) average speed (in m/s)
m/s
(c) average velocity (Enter the magnitude in m/s and the direction in degrees south of west.)
magnitude
m/s
direction
o south of west
Need Help?
Read It
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