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Physics, 24.09.2020 02:01 kadinmorgan
14.A rocket sled accelerates from 10 m/s to 40 m/s in 2 seconds. What is the average acceleration of the sled?
Part A:Which equation is the correct one to use in this prroblem?
A. v=gt B. Δy=1/2gt^2 C. a=Δv/Δt D. v=Δx/Δt
Part B:Answer rounded to nearest whole number?
Part C:Units?
2.Which of the following is a pair of vector quantities?
Speed and Displacement.
Speed and Distance.
Velocity and Displacement.
Velocity and Distance.
7.Use the following graph of a motorcycle to answer the questions.
(the attactment for this questions is 7b)
Part A:
In which section is the motorcycle traveling at a constant velocity?
Section AB.
Section BC.
Section CD.
Section DE.
Part B:
In which section does the motorcycle have the greatest acceleration?
Section AB.
Section BC.
Section CD.
Section DE.
Part C:
In which section does the motorcycle have a negative acceleration?
Section AB.
Section BC.
Section CD.
Section DE.
Part D:
What is the acceleration of the motorcycle in section CD?
0 m/s^2
7.14 m/s^2
30 m/s^2
50 m/s^2
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14.A rocket sled accelerates from 10 m/s to 40 m/s in 2 seconds. What is the average acceleration of...
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