3 years ago

Attached image help explain and answer

Mathematics

1 answer:

Vinil7 [7]3 years ago

6 0

Answer:

590.000.

Step-by-step explanation:

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1. The position of a particle moving along a coordinate axis is given by: s(t) = t^2 - 5t + 1. a) Find the speed of the particle

zimovet [89]

Answer: $\left | 2t-5\right |,\ 2,\ 2t-5$

Step-by-step explanation:

Given

Position of the particle moving along the coordinate axis is given by

$s(t)=t^2-5t+1$

Speed of the particle is given by

$\Rightarrow v=\dfrac{ds}{dt}\\\\\Rightarrow v=\dfrac{d(t^2-5t+1)}{dt}\\\\\Rightarrow v=\left | 2t-5\right |$

Acceleration of the particle is

$\Rightarrow a=\dfrac{dv}{dt}\\\\\Rightarrow a=2$

velocity can be negative, but speed cannot

$\Rightarrow v=\dfrac{ds}{dt}\\\\\Rightarrow v=\dfrac{d(t^2-5t+1)}{dt}\\\\\Rightarrow v=2t-5$

3 0

3 years ago

Let f(x) be a continuous function such that f(1) and f'(x)-Vx3 + 6. What is the value of,f(5)? (A) 11.446 (C) 24.672 (B) 13.446

tia_tia [17]

Answer:

f(5) = 26.672 which is option D

Step-by-step explanation:

From question, f(1) = 2 and f'(x)=√(x^3 + 6)

f(5) = f(1) + (5,1)∫ f'(x) dx

Integrating using the boundary 5 and 1;

f(5) = 2 + (5,1)∫√(x^3 + 6) dx

f(5) = 2 + 24.672

So f(5) = 26.672

7 0

3 years ago

What's the Error? Explain the error. Find the correct solution.<br> 42-(-6)=-7

earnstyle [38]

Answer: 42 -(-6)= 48

Step-by-step explanation:

a negative - a negative will always equal a positive

3 0

3 years ago

A: 7,500 miles

kvasek [131]

Answer:

the minimal number is 3

Step-by-step explanation:

6 0

3 years ago

25000000 in standard form

Elan Coil [88]

Answer:

2,500,000 This is in standard form.

2.5 x 10^6 This is in scientific notation.

Step-by-step explanation:

6 0

3 years ago