The wavelength of the light is 0.63 micrometers. How much of this length stays in 1 centimeterHELP PLEASE

Answers

Answer 1

Answer: 11,066,669.
hope it help.

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The initial kinetic energy imparted to a 0.020 kg bullet is 1200 J. (a) Assuming it accelerated down a 1.00 m rifle barrel, estimate the average power delivered to it during
the firing. (b) Neglecting air resistance, find the range of this projectile when it is fired
at an angle such that the range equals the maximum height attained.

Answers

Answer:

(a) Power= 207.97 kW

(b) Range= 5768.6 meter

Explanation:

Given,

Mass of bullet, $m=0.02 kg$

Kinetic energy imparted, $K=1200 J$

Length of rifle barrel, $d=1 m$

(a)

Let the speed of bullet when it leaves the barrel is $v$ .

Kinetic energy, $K=(1)/(2) mv^(2)$

$v=\sqrt{(2K)/(m) }$

$=\sqrt{(2*1200)/(0.02) }$

$=346.4m/s$

Initial speed of bullet, $u=0$

The average speed in the barrel, $v_a_v_g=(u+v)/(2)$

$=(0+346.4)/(2) \n=173.2 m/s$

Time taken by bullet to cross the barrel, $t=(d)/(v)$

$=(1)/(173.2)\n =0.00577 second$

Power, $P_a_v_g=(W)/(t)$

$=(1200)/(0.00577) \n=207.97kW$

(b)

In projectile motion,

Maximum height, $H_m=(v^2\sin^2\theta)/(2g) \n$

Range, $R=(v^2\sin2\theta)/(g)$

given that, $H_m=R$

then, $(v^2\sin^2\theta)/(2g)=(v^2\sin2\theta)/(g)\n\sin^2\theta=2\sin\theta\cos\theta\n\n\tan\theta=4\n\theta=\tan^-^14\n\theta=75.96^0\nR=(v^2\sin2\theta)/(g)\n=(346.4^2*\sin(2*75.96))/(9.8)\n5768.6 meter$

PLZ HURRY!!WILL BE FRIEND FOREVER!!1. When an object is burning, two atoms of oxygen (in the air) combine with one atom of carbon (from the substance burning). This forms carbon dioxide gas. Explain how the law of conservation of matter applies to this reaction.

Answers

Answer:

When you burn 1 carbon, 2 atoms of oxygen will react with the carbon which forms carbon dioxide with 3 atoms. The law conservation applies since it states that mass can never be created nor destroyed. In simple terms, the amount used for the reaction should be the same amount produced.

How do you find the mass in this equation Weight=mass*gravity

Answers

Weight=mass*gravity

If you know the weight and gravity, you can easily find the mass by switching up the equation:

m = w/g
Mass = weight/gravity

There, you could find the mass with the following equation.

A block of lead has dimensions of 4.50cm by 5.20cm by 6.00cm. The block weighs 1587g. From this information, calculate the density of the lead.

Answers

Density = Mass / Volume
Volume = Area x Length = (4.50 x 5.20) x 6.00 = 140.4
Density = 1587 x 140.4 = 222,814.8 g/cm3 (cubed)
222,814.8 / 1000 = 222.8148 kg/m3 (cubed)

The electromagnetic wave shown above is made of vibrating

Answers

The electromagnetic wave shown above is made up of vibrating Electric fields.

I assume this is why electromagnetic waves can travel through a vacuum, due to lack of matter.

Answer:

Electromagnetic waves are transverse waves that consist of a combined magnetic and electric effect.

Explanation:

wth :^)

what are the various ways in which lithospheric plates interact with each other as they move around on a dynamic earth??

Answers

The plates make up Earth's outer shell, called the lithosphere. (This includes the crust and uppermost part of the mantle.) Churning currents in the molten rocks below propel them along like a jumble of conveyor belts in disrepair. Most geologic activity stems from the interplay where the plates meet or divide.

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Suppose a rocket ship in deep space moves with constant acceleration equal to 9.8 m/s2, which gives the illusion of normal gravity during the flight. (a) If it starts from rest, how long will it take to acquire a speed one-tenth that of light, which travels at 3.0 × 108 m/s? (b) How far will it travel in so doing?