et engine is securely fastened to a large puck that can glide with negligible friction over a horizontal aken as the xy plane. The 3.70-kg puck has a velocity of 1.701 m/s at one instant. Eight seconds later, y is (9.001 + 9.0ĵ) m/s. 1) Assuming the rocket engine exerts a constant horizontal force, find the components of the force. p) Find its magnitude.

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
Problem 23PQ: The x and y coordinates of a 4.00-kg particle moving in the xy plane under the influence of a net...
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A toy rocket engine is securely fastened to a large puck that can glide with negligible friction over a horizontal
surface, taken as the xy plane. The 3.70-kg puck has a velocity of 1.701 m/s at one instant. Eight seconds later,
its velocity is (9.001 + 9.0ĵ) m/s.
(a) Assuming the rocket engine exerts a constant horizontal force, find the components of the force.
(b) Find its magnitude.
Transcribed Image Text:A toy rocket engine is securely fastened to a large puck that can glide with negligible friction over a horizontal surface, taken as the xy plane. The 3.70-kg puck has a velocity of 1.701 m/s at one instant. Eight seconds later, its velocity is (9.001 + 9.0ĵ) m/s. (a) Assuming the rocket engine exerts a constant horizontal force, find the components of the force. (b) Find its magnitude.
(a) First, we will calculate the acceleration of the puck in order to find the components of the force. We know that ; = 1.70î m/s,
V = (9.001 + 9.0ĵ) m/s, and t = 8.00 s.
8
=
=
AV
At
9
Î+9
8.00 s
1) m/s - ( 1:
1.7
î) m/s
2.3
X
Your response differs from the correct answer by more than 10%. Double check your calculations.Î + 9
8.00 s
1.7
X
= Your response differs from the correct answer by more than 10%. Double check your calculations.Î + 9
Your response differs from the correct answer by more than 100%.ĵ) m/s²
X
Ĵm/s
Transcribed Image Text:(a) First, we will calculate the acceleration of the puck in order to find the components of the force. We know that ; = 1.70î m/s, V = (9.001 + 9.0ĵ) m/s, and t = 8.00 s. 8 = = AV At 9 Î+9 8.00 s 1) m/s - ( 1: 1.7 î) m/s 2.3 X Your response differs from the correct answer by more than 10%. Double check your calculations.Î + 9 8.00 s 1.7 X = Your response differs from the correct answer by more than 10%. Double check your calculations.Î + 9 Your response differs from the correct answer by more than 100%.ĵ) m/s² X Ĵm/s
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