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statuscvo [17]
3 years ago
11

The long, light-colored lines extending from many craters on the Moon are called rays and are ______.

Physics
1 answer:
Paladinen [302]3 years ago
5 0

Answer:

The long, light-colored lines extending from many craters on the Moon are called rays and are "crater rays".

Explanation:

Hope this helps :)

#Followformore

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Is baking soda less dense or more dense than water?
boyakko [2]
It’s more dense than air and less dense than liquid!
6 0
3 years ago
How much gravitational potential energy does a 1.0 kg hammer have on a shelf 1.5 m above the ground?
jok3333 [9.3K]

Answer:

14.7 J

Explanation:

PE=MGH

PE= 1.0 x 9.8 x 1.5 = 14.7 J

8 0
3 years ago
An airplane flies in a horizontal circle of radius 500 m at a speed of 150 m/s. If the radius were changed to 1000 m, but the sp
laila [671]

Answer:

The centripetal acceleration changed by a factor of 0.5

Explanation:

Given;

first radius of the horizontal circle, r₁ = 500 m

speed of the airplane, v = 150 m/s

second radius of the airplane, r₂ = 1000 m

Centripetal acceleration is given as;

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

At constant speed, we will have;

v^2 =ar\\\\v = \sqrt{ar}\\\\at \ constant\ v;\\\sqrt{a_1r_1} = \sqrt{a_2r_2}\\\\a_1r_1 = a_2r_2\\\\a_2 = \frac{a_1r_1}{r_2} \\\\a_2 = \frac{a_1*500}{1000}\\\\a_2 = \frac{a_1}{2} \\\\a_2 = \frac{1}{2} a_1

a₂ = 0.5a₁

Therefore, the centripetal acceleration changed by a factor of 0.5

7 0
3 years ago
A cylinder contains 250 L of hydrogen gas (H2) at 0.0^∘Cand a pressure of 10.0 atm. How much energy is required to raise the tem
Over [174]

Answer:

The amount of energy needed to raise the temperature of the cylinder by 25 °C is 23.3 KJ of heat.

Explanation:

The step by step calculation can be found in the attachment below. Thank you.

8 0
3 years ago
If earth had no atmosphere, would a falling object ever reach terminal velocity?
stepan [7]
No, because terminal velocity is when the acceleration of the Earth’s gravity is balanced by the air resistance of the atmosphere.
5 0
3 years ago
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