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, 22.06.2019 01:30, Savageman4654
The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation
Answers: 2
Physics, 22.06.2019 05:00, anime333
Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?
Answers: 1
Physics, 22.06.2019 16:30, jetblackcap
When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew
Answers: 1
Aroller coaster starts down a hill at 10 m/s. three seconds later, its speed is 32 m/s. what is the...