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3 years ago

a shiny object reflects light. will a shiny object make a shadow when light shine on it? explain your answer

2 answers:

7 0

Yes the shiny object will surely make a shadow if there is a source of light and there is a screen because when the path is obstruct by an opaque object a shadow is formed. The shiny object will reflect light but wont allow light to pass through it which makes it an opaque object and it produces a shadow.

Yakvenalex [24]3 years ago

4 0

Answer:

yes I think it is possible

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Covalent bonds ___ conduct electricity well. Always Usually Rarely Never

mr_godi [17]

They rarely conduct electricity well.

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3 years ago

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Explain why the brakes of a car get much hotter than the brakes of a bicycle?

ValentinkaMS [17]

Answer: Car brakes produces more energy then the bicycle because the cars wheels produces a much bigger force that makes the car go and to stop that force the car uses greater amount of energy that transfers to heat but in a bicycle the wheels do not turn that fast so when you press the break there is less energy that transfer to heat.

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4 years ago

Q1: Using the known values of the mass of the earth and the radius of the earth, calculate the

kupik [55]

Answer:

m g = G * m * M / R^2 force of attraction

g = G * M / R^2

g = 6.67E-11 * 5.96E24 / (6.37E6)^2

g = 6.67 * 5.96 / 6.37^2 * 10^1

g = .98 * 10 = 9.8 m/s^2

Q2.

d g = G M * (-2 R^-3 dR ) = -2 G M / R^3 (very small where dR = 1)

3 0

3 years ago

Estimate and determine the order of magnitude of the circumference of the Earth in miles and the speed of a sailboat in miles pe

solmaris [256]

Answer:

= 1000 hours

Explanation:

Earth's circumference is 10⁴ mile

speed of a sailboat is 10¹ mile/hour

distance = speed × time

10⁴ = 10¹ × t

t = 10⁴ / 10¹

t = 10³

= 1000 hours

4 0

3 years ago

If a shuttle is orbiting a planet at a distance of 40 miles from the center of the planet, and is traveling at a rate of 500 mil

lawyer [7]

Answer:

Time taken, t = 30.15 minutes

Explanation:

It is given that,

Distance from the center of planet, r = 40 miles

Speed of the shuttle, v = 500 miles per hour

Let t is the time taken by it to complete one full orbit. The displacement of the shuttle is,

$d=2\pi r$

$d=2\pi \times 40$

d = 251.32 miles

Now time can be calculated using the expression for the velocity as :

$v=\dfrac{d}{t}$

$t=\dfrac{d}{v}$

$t=\dfrac{251.32\ miles}{500\ miles\ per\ hour}$

t = 0.50264 hours

t = 30.15 minutes

So, the shuttle will take 30.15 minutes to complete one full orbit. Hence, this is the required solution.

7 0

3 years ago

a shiny object reflects light. will a shiny object make a shadow when light shine on it? explain your answer​

a shiny object reflects light. will a shiny object make a shadow when light shine on it? explain your answer