3 years ago

In answering the following questions, assume that the angular acceleration is constant and nonzero: alpha not equal to zero.

1 answer:

8 0

I think the correct answer would be true. The quantity represented by theta is a function of time. This is because the rate of change of angular speed is constant which means the angular distance is changing with time. Hope this answers the question. Have a nice day.

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The height (ft) of an object is launched into the air given by the function h(t)=-6t^2+120t+17 where t is the time in seconds.

garri49 [273]

Answer:

Object will reach the max height in 10 seconds.

Max. height is 1817.

It will hit the ground in 20 seconds.

Step-by-step explanation:

In order to find the x value which makes the function take its greatest value, you need to take the derivative of the function and equalize the result to 0.

h'(t)=-12t+120=0

t=10

The object will reach its maximum height in 10 seconds.

h(10) (maximum height) = 6.10.10+120.10+17= 600+1200+17=1817

Considering this is a parabola, time in total is two times more than the time passed until reaching the max. height.

10.2=20

3 0

3 years ago

Connor went to the country fair with $22.50 in his pocket. He bought a hot dog and drink for $3.75 and then wanted to spend the

KatRina [158]

22.50-3.75= 18.75
18.75/1.25= 15
1.25 × X = total money left after purchases.

3 0