Which one of the following statements is NOT true of a free-falling object? [Q2A] An object in a state of free fall falls with a constant speed of -10 m/s. falls with an acceleration of -10 m/s/s. falls under the sole influence of gravity. falls with downward acceleration which has a constant magnitude. ?What is the acceleration of a bus approaching a bus stop [Q2B] Uniform acceleration Instantaneous acceleration Average acceleration Negative acceleration A jet plane starts from rest with an acceleration of 3m/s2 and makes a run [Q2C] ?for 35s before taking off. What is the minimum length of the runway 105 m 1204 m 2451 m 1837.5 m

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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Which one of the following statements is NOT true of a free-falling object? [Q2A]
An object in a state of free fall
falls with a constant speed of -10 m/s.
falls with an acceleration of -10 m/s/s.
falls under the sole influence of gravity.
falls with downward acceleration which has a constant magnitude.
?What is the acceleration of a bus approaching a bus stop [Q2B]
Uniform acceleration
Instantaneous acceleration
Average acceleration
Negative acceleration
A jet plane starts from rest with an acceleration of 3m/s2 and makes a run [Q2C]
?for 35s before taking off. What is the minimum length of the runway
105 m
1204 m
2451 m
1837.5 m
Transcribed Image Text:Which one of the following statements is NOT true of a free-falling object? [Q2A] An object in a state of free fall falls with a constant speed of -10 m/s. falls with an acceleration of -10 m/s/s. falls under the sole influence of gravity. falls with downward acceleration which has a constant magnitude. ?What is the acceleration of a bus approaching a bus stop [Q2B] Uniform acceleration Instantaneous acceleration Average acceleration Negative acceleration A jet plane starts from rest with an acceleration of 3m/s2 and makes a run [Q2C] ?for 35s before taking off. What is the minimum length of the runway 105 m 1204 m 2451 m 1837.5 m
You drive 6.0 km at 50 km/h and then another 6.0 km at 90 km/h. Your [Q2D]
:average speed over the 12 km drive will be
less than 70 km/h.
equal to 70 km/h.
greater than 70 km/h.
exactly 38 km/h.
It cannot be determined from the information given because we must also know
directions traveled.
Transcribed Image Text:You drive 6.0 km at 50 km/h and then another 6.0 km at 90 km/h. Your [Q2D] :average speed over the 12 km drive will be less than 70 km/h. equal to 70 km/h. greater than 70 km/h. exactly 38 km/h. It cannot be determined from the information given because we must also know directions traveled.
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