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soldier1979 [14.2K]
3 years ago
14

What planet are people working on so they can move there

Physics
2 answers:
Nata [24]3 years ago
8 0

Answer:

mars

Explanation:

just search it up

Luden [163]3 years ago
6 0

Answer:

Mars I belive

Explanation:

You might be interested in
how fast in revolutions per minute must a centrifuge rotate in order to subject the contents of a test tube (30cm) from the axis
trapecia [35]

Answer:

ω=6684.51 rpm

Explanation:

r= 30cm= 0.3m

a= 15000gs (convert to m/s^{2}

1g = 9.8 m/s^{2}

a= 15000 *9.8 = 147000 m/s^{2}

a=\frac{v^{2} }{r}

147000 = \frac{v^{2} }{0.3}

147000*0.3 = v^{2}

44100 = v^{2}

√44100 = v

210m/s  = v

v=210m/s (linear velocity)

we will convert this to angular velocity

ω=\frac{v}{r}  

ω= 210/0.3

ω= 700 rads^{-1}

we will convert this to rev per minute

1rad per second = 9.5493 rev per minute

ω= 700*9.5493

ω=6684.51 rpm

4 0
3 years ago
What acceleration is produced when a 12-N force is exerted on a 3-kg object?
lawyer [7]
Using F=Ma
where a= F/M = 12/3 = 4ms-²
3 0
3 years ago
PLEASE HELP !!! Which product forms from the synthesis reaction between potassium (k) and iodine (I)?
Mrrafil [7]

Answer:

Pottasium iodide (KI)

Explanation:

product of this reaction is KI. this product is an ionic compound.

8 0
2 years ago
Read 2 more answers
The rate at which an object's velocity changes is called its
Flura [38]

Answer:

A. acceleration

Explanation:

Acceleration is the increase of motion, it is the rate at which an object changes its velocity.

4 0
3 years ago
Read 2 more answers
The indices of refraction for violet light (λ = 400 nm) and red light (λ = 700 nm) in diamond are 2.46 and 2.41, respectively. A
JulijaS [17]

Answer:

0.42°

Explanation:

Using Snell's law of refraction which states that the ratio of the angle of sin of incidence to angle of sine of refraction is equal to a constant for a given pair of media. Mathematically,

Sin(i)/sin(r) = n

n is the refractive index of the medium

FOR VIOLET LIGHT:

n = 2.46

i = 51°

r = ?

To get r, we will use the Snell's law formula.

2.46 = sin51°/sinr

Sinr = sin51°/2.46

Sinr = 0.316

r = sin^-1(0.316)

rv = 18.42°

FOR RED LIGHT:

n = 2.41

i = 51°

r = ?

To get r, we will use the Snell's law formula.

2.41 = sin51°/sinr

Sinr = sin51°/2.41

Sinr = 0.323

r = sin^-1(0.323)

rd = 18.84°

The angular separation between these two colors of light in the refracted ray will be the difference between there angle of refraction.

Angular separation = rd - rv

= 18.84° - 18.42°

= 0.42°

6 0
2 years ago
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