3 years ago

a car traveling at 30 m/s starts to decelerate steadily. it comes to a complete stop in 12 seconds. what is its acceleration?

1 answer:

5 0

Just divide -30 m/s (the change in velocity) by 12 seconds (the time required for the car to come to a stop):

-30 m/s
----------- = - 2,5 m / (sec)^2 (answer)
12 sec

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stepan [7]

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2 years ago

Which of the following best describes the parallel cross-section of an ice cream cone?

Dennis_Churaev [7]

Answer:

Circle

Step-by-step explanation:

When a plane passes through a 3-dimensional figure to create a cross section that is parallel to the base, the resulting 2-dimensional shape of the cross section is the same as the shape of the base.

The base of an ice cream cone is a circle, therefore the answer is circle