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3 years ago

True or false? objects that are sitting still have kinetic energy

Mathematics

2 answers:

prisoha [69]3 years ago

8 0

No that is false very false

9966 [12]3 years ago

6 0

The answer should be False because when its at rest or sitting still it cant have energy.

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3 years ago

Is the pythagorean theorem true for all similar triangle

mojhsa [17]

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2 years ago

HELP PLZZZZZ 1.)Determine the first five terms of the sequence A(n) = A(n − 1) + 13, where A(1) = 21.

pishuonlain [190]

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2 years ago

Which shows all the prime factors for 36? A.2 • 18 B.4 • 9 C.2 • 2 • 3 • 3 D.2 • 2 • 3 • 5

DENIUS [597]

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3 years ago

An object is dropped from a small plane. As the object falls, its distance, d, above the ground after t seconds, is given by the

DedPeter [7]

The inequality can be used to find the interval of time taken by the object to reach the height greater than 300 feet above the ground is:

$d = -16t^2 + 1000$

Solution:

The object falls, its distance, d, above the ground after t seconds, is given by the formula:

$d = -16t^2 + 1000$

To find the time interval in which the object is at a height greater than 300 ft

Frame a inequality,

$-16t^2 + 1000 > 300$

Solve the inequality

Subtract 1000 from both sides

$-16t^2 + 1000 - 1000 > 300 - 1000\\\\-16t^2 > -700$

$16t^2 < 700\\\\Divide\ both\ sides\ by\ 16\\\\t^2 < \frac{700}{16}\\\\Take\ square\ root\ on\ both\ sides\\\\t < \sqrt{\frac{700}{16}}\\\\t < \pm 6.61$

Time cannot be negative

Therefore,

t < 6.61

And the inequality used is: $-16t^2 + 1000>300$

6 0

3 years ago