6 40 4:05 O O28.6N (VPN) KB/s79The position of a particle moving along the x axis is given in centimeters by x = 9.10 + 1.27 t3, where tis inseconds. Calculate (a) the average velocity during the time interval t = 2.00 s to t = 3.00 s; (b) the instantaneousvelocity at t = 2.00 s; (c) the instantaneous velocity at t = 3.00 s; (d) the instantaneous velocity at t= 2.50 s; and(e) the instantaneous velocity when the particle is midway between its positions at t= 2.00 s and t= 3.00 s.(a) NumberUnits(b) NumberiUnits(c) NumberiUnits(d) NumberiUnits(e) NumberiUnits() 46 4:05 O O4G21.0A (VPN KB/s79In the figure here, a red car and a green car move toward each other in adjacent lanes and parallel to an x axis.At time t= 0, the red car is at x, = 0 and the green car is at xg = 215 m. If the red car has a constant velocity of27.0 km/h, the cars pass each other at x = 43.0 m. On the other hand, if the red car has a constant velocity of54.0 km/h, they pass each other at x = 76.4 m. What are (a) the initial velocity and (b) the (constant)acceleration of the green car? Include the signs.(a) NumberiUnit(b) NumberiUnit()

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Description: 6 40 4:05 O O28.6N (VPN) KB/s79The position of a particle moving along the x axis is given in centimeters by x = 9.10 + 1.27 t3, where tis inseconds. Calculate (a) the average velocity during the time interval t = 2.00 s to t = 3.00 s; (b) the insta

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The position of a particle moving along the x axis is given in centimeters by x = 9.10 + 1.27 t³, where t is in seconds. Calculate (a) the average velocity during the time interval t = 2.00 s to t = 3.00 s; (b) the instantaneous velocity at t = 2.00 s; (c) the instantaneous velocity at t = 3.00 s; (d) the instantaneous velocity att = 2.50 s; and (e) the instantaneous velocity when the particle is midway between its positions at t= 2.00 s andt = 3.00 s.

The position of a particle moving along the x axis is given in centimeters by x = 9.10 + 1.27 t³, where t is in seconds. Calculate (a) the average velocity during the time interval t = 2.00 s to t = 3.00 s; (b) the instantaneous velocity at t = 2.00 s; (c) the instantaneous velocity at t = 3.00 s; (d) the instantaneous velocity att = 2.50 s; and (e) the instantaneous velocity when the particle is midway between its positions at t= 2.00 s andt = 3.00 s.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter6: Motion In Two Dimensions

Section: Chapter Questions

Problem 84A

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Question

6 40 4:05 O O
28.6
N (VPN) KB/s
79
The position of a particle moving along the x axis is given in centimeters by x = 9.10 + 1.27 t3, where tis in
seconds. Calculate (a) the average velocity during the time interval t = 2.00 s to t = 3.00 s; (b) the instantaneous
velocity at t = 2.00 s; (c) the instantaneous velocity at t = 3.00 s; (d) the instantaneous velocity at t= 2.50 s; and
(e) the instantaneous velocity when the particle is midway between its positions at t= 2.00 s and t= 3.00 s.
(a) Number
Units
(b) Number
i
Units
(c) Number
i
Units
(d) Number
i
Units
(e) Number
i
Units
()

46 4:05 O O
4G
21.0
A (VPN KB/s
79
In the figure here, a red car and a green car move toward each other in adjacent lanes and parallel to an x axis.
At time t= 0, the red car is at x, = 0 and the green car is at xg = 215 m. If the red car has a constant velocity of
27.0 km/h, the cars pass each other at x = 43.0 m. On the other hand, if the red car has a constant velocity of
54.0 km/h, they pass each other at x = 76.4 m. What are (a) the initial velocity and (b) the (constant)
acceleration of the green car? Include the signs.
(a) Number
i
Unit
(b) Number
i
Unit
()

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