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Scrat [10]
3 years ago
6

A particle moves along a straight line with the equation of motion s = t^{5} - 2 t^{4} Find the value of t (other than 0 ) at wh

ich the acceleration is equal to zero.
Mathematics
1 answer:
Sveta_85 [38]3 years ago
8 0

Answer:

t = 8/5

Step-by-step explanation:

I'm assuming the equation given is the velocity of the particle

Derive the equation

5t^4 - 8t^3

Set it equal to 0 & solve for t

0 = 5t^4 - 8t^3\\8t^3 = 5t^4\\8 = 5t\\\frac{8}{5} = t

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What is the sum of -8 and<br> its opposite? What are they<br> called ?
icang [17]

Answer:The sum of - 8 Is positive  8

Opposite

Step-by-step explanation:

7 0
3 years ago
Write the number in word form and in standard form 300,000,000+40,000,000+7,000,000+300,000+10,000+6,000+20+9
Citrus2011 [14]
Three hundread and forty-seven million three hundread and sixteen thousand and twenty-nine....347,316,029
4 0
3 years ago
Can some one please help . Thanks I appreciate it.
Anon25 [30]
Here you go.

Good luck!

5 0
4 years ago
The radius is cm.
Elza [17]

Answer:

The radius is 1.75 cm, 1 3/4 cm, or 7/4 cm (all the same, just in different forms)

The circumference in terms of π is 7/2(π) cm, 3.5(π), or 3 1/2(π) cm (all the same, just in different forms)

The approximate circumference of the circle is 10.99 or 11 cm. (don't know if it's supposed to be rounded)

Step-by-step explanation:

Radius = 1/2 of the diameter, so 1/2 of 7/2 is 1.75, 1 3/4, or 7/4 cm.

Circumference in terms of pi means to not approximate pi. Circumference of circle is πd, so the exact circumference would be 7/2 pi cm, 3.5 pi cm, or 3 1/2 pi cm.

3.5 x 3.14 = 10.99. 10.99 cm ≈ 11 cm.

3 0
2 years ago
The sum of Thalia and her brother's age is 41. If Thalia is three years older than her brother, how many years old is Thalia?
LekaFEV [45]

Answer:

the thalia age be 19 years

Step-by-step explanation:

Let us assume her brother age be x

Now the thalia age be x - 3

Now the equation would be

x + x - 3 = 41

2x = 41 + 3

2x = 44

x = 22

thalia age be

= 22 - 3

= 19

Hence, the thalia age be 19 years

And, her brother age be 22 years

The same is to be considered

4 0
3 years ago
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