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4 years ago

6

Given the fact that our current prezi is driving us deeply in debt and moving this county toward socialism how do you feel about

the recant legislation he is proposing? A. varable bias B. osbervatioal bias c. objective questioning D. question-wording bias

1 answer:

ale4655 [162]4 years ago

8 0

Im not 100% about this. its kind of confuseing. but my guess is: (D. question-wording bias. <-------

Hope i helped!:)

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Find the position and velocity of an object moving along a straight line with the given acceleration, initial velocity, and init

yulyashka [42]

To solve this problem we will apply the conventions related to the cinematic movement theorem, for which the kinematic equations of linear motion are equally detached. We will use the speed and position equations to determine the general formula according to the given values.

To velocity function we have

$v(t) = v(0)+\int^t_0 a(x) dx$

Our values are,

$a(x) = -9.8$

$v(0) = 20$

$s(0) = 0$

Replacing at this equation and solving we have that the equation for the velocity would be,

$v(t) = 20+\int^t_0 -9.8 dx$

$v(t) = 20-\int^t_0 9.8 dx$

$v(t) = 20-9.8x|^t_0$

$v(t) = 20-9.8(t-0)$

$v(t) = 20-9.8t$

Therefore the velocity function is $v(t) = 20-9.8t$

At the same time for the position function:

$s(t) = s(0) +\int^t_0 v(x) dx$

Replacing we have that

$s(t) = s(0) +\int^t_0 20-9.8x dx$

$s(t) = 0 +20x-9.8\frac{x^2}{2}|^t_0$

$s(t) = (20t-9.8\frac{t^2}{2})-(20\cdot 0 -9.8 \frac{0^2}{2})$

$s(t) = 20t-9.8\frac{t^2}{2}$

Therefore the position function is

$s(t) = 20t-9.8\frac{t^2}{2}$

5 0

3 years ago

What does electrical potential energy mean

Anit [1.1K]

The energy a charge has due to its position relative to other charges.

7 0

3 years ago

You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 1.

babymother [125]

Answer:

Mass of the planet = 1.48 × 10²⁵ Kg

Mass of the star = 5.09 × 10³⁰ kg

Explanation:

Given;

Diameter = 1.8 × 10⁷ m

Therefore,

Radius = $\frac{\textup{Diameter}}{\textup{2}}$ = $\frac{\textup{1.8}\times10^7}{\textup{2}}$

or

Radius of the planet = 0.9 × 10⁷ m

Rotation period = 22.3 hours

Radius of star = 2.2 × 10¹¹ m

Orbit period = 407 earth days = 407 × 24 × 60 × 60 seconds = 35164800 s

free-fall acceleration = 12.2 m/s²

Now,

we have the relation

g = $\frac{\textup{GM}}{\textup{R}^2}$

g is the free fall acceleration

G is the gravitational force constant

M is the mass of the planet

on substituting the respective values, we get

12.2 = $\frac{6.67\times10^{-11}\times M}{(0.9\times10^7)^2}$

or

M = 1.48 × 10²⁵ Kg

From the Kepler's law we have

T² = $\frac{\textup{4}\pi^2}{\textup{G}M_{star}}(R_{star})^3$

on substituting the respective values, we get

35164800² = $\frac{\textup{4}\pi^2}{6.67\times10^{-11}\timesM_{star}}(2.2\times10^{11})^3$

or

$M_{star}$ = 5.09 × 10³⁰ kg

6 0

3 years ago

The same strength force was exerted in the same direction on both Object A and Object B. Why did Object A go faster than Object

VashaNatasha [74]

Answer:

$m_B > m_A$

the mass of body B must be greater than the mass of body A

Explanation:

Newton's second law establishes a linear relationship between the force, the mass of the body and its acceleration

F = m a

a = F / m

Let's analyze this expression tells us that the force is of equal magnitude for the two bodies, but body A goes faster than body B, this implies that it has more relationships

a_A > a_B

$\frac{F}{m_A} > \frac{F}{m_B}$

$m_B > m_A$

Therefore, for this to happen, the mass of body B must be greater than the mass of body A

6 0

3 years ago

Pressure in the abdomen

Vilka [71]

Answer:

Uh, what? Is there more?

Explanation:

3 0

3 years ago