Physics, 14.10.2019 05:00, cvrlxzzz6507
Aroller coaster starts down a hill at 10 m/s. three seconds later, its speed is 32 m/s. what is the roller coaster’s acceleration?
question 1 options:
-7.3 m/s
-7.3 m/s2
3 m/s
3 m/s 2
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question 2 (2 points) question 2 unsaved
natalie accelerates her skateboard along a straight path from 4 m/s to 0 m/s in 25.0 s. find the acceleration.
question 2 options:
-6.25 m/s2
0.16 m/s2
-0.16 m/s2
6.25 m/s2
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question 3 (2 points) question 3 unsaved
find the average acceleration of a northbound subway train that slows from 12 m/s to 9.6 m/s in 0.9 s
question 3 options:
-2.7 m/s2
2.7 m/s2
-2.7 m/s
2.7 m/s
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question 4 (2 points) question 4 unsaved
what is a chicken’s rate of acceleration that speeds up from 4 mph (mi/h) to a top speed of 9 mi/h in 0.5 hr?
question 4 options:
2.5 mi/h/s
-2.5 mi/h/s
2.5 mi/h2
10 mi/h2
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question 5 (2 points) question 5 unsaved
which units would be appropriate to measure acceleration?
question 5 options:
m/s with direction
m/s2
kg (m/s)
m/s
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Answers: 1
Physics, 21.06.2019 18:50, iceyburh
The summit of chimborazo, in ecuador, which is at a distance of about 6,384 km from the earth's center. the bottom of the mariana trench, in the western pacific ocean, which is nearly 6,370 km from the center of the earth. on the surface of earth on the equator line.
Answers: 1
Physics, 23.06.2019 02:30, Braxtonw875
Atrain is traveling at 30.0 m/s relative to the ground in still air. the frequency of the note emitted by the train whistle is 262 hz. the speed of sound in air should be taken as 344 m/s. what frequency (f approach) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and approaching it? what frequency (f recede) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and receding from it?
Answers: 1
Aroller coaster starts down a hill at 10 m/s. three seconds later, its speed is 32 m/s. what is the...
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