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S_A_V [24]
3 years ago
11

Which statement best describes the acceleration of a baseball?

Physics
1 answer:
insens350 [35]3 years ago
3 0

Answer:

C the baseball began at rest and rolls at a rate of 14.7 m/s after 1.5 seconds

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What is the deceleration of a bicycle that goes from 40m/s to 20m/s in 5 seconds
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Answer:

-4 m/s^2

Explanation:

The acceleration of the bycicle is given by:

a=\frac{v-u}{t}

where

v = 20 m/s is the final velocity of the bike

u = 40 m/s is the initial velocity

t = 5 s is the time interval

Substituting numbers, we find

a=\frac{20 m/s-40 m/s}{5s}=-4 m/s^2

and the acceleration is negative, which means that the bycicle is slowing down.

5 0
3 years ago
1. Explique con sus palabras por qué el ser humano al nacer es un organismo inacabado, y que influencia ejercen en él las caract
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Answer:

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Ello hace que el humano requiera para su desarrollo de un acompañamiento absoluto por parte de su madre en el período inicial de su vida, tanto para alimentarlo como para transmitirle las nociones básicas de supervivencia; y posteriormente requiera de un entorno social idóneo que le permita desarrollarse emocionalmente para poder vivir normalmente en sociedad.

Además, respecto de sus características físicas, necesita también aprender a caminar, movilizarse y demás atributos físicos que le garanticen un normal desarrollo motor, con lo cual es fundamental que dicha enseñanza provenga también del entorno que lo rodea.

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Which bike rider has the greatest momentum?
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A bicyclist moves along a straight line with an initial velocity vo and slows downs. Which of the following the best describes t
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