Why the outer of the space ship covered with resaiants tile

1 answer:

7 0

The outer layer of space ships are covered with tiles primarily to protect the shuttle for entering back into the atmosphere. On re-entry space ships generally take a great deal of heat damage, as well as being worn down by the atmosphere.

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A 15-kg bicycle carrying a 50-kg boy is traveling at a speed of 5 m/s. What is the KE of the bicycle and the boy?

vovangra [49]

Together as one moving package, their mass is (15 + 50) = 65 kg.

   Kinetic energy = (1/2) (mass) (speed)²

   = (1/2) (65 kg) (5 m/s)²

   = (32.5 kg) (25 m²/s²)

   =    812.5 kg-m²/s² = 812.5 joules .

4 0

4 years ago

What is the correct answer?

bija089 [108]

Answer:

(B) 39

Explanation:

Use synthetic division:

-2 | 3 0 -1 3 1

____<u>-6 12 -22 38</u>

3 -6 11 -19 | 39

This means that the remainder is 39

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3 years ago

Read 2 more answers

Gravitational potential energy is related to–A. what an object is made of. B.an object’s motion.C. an object’s position.D. an ob

Bas_tet [7]

Answer:

The Answer is B because the material the object is made of, the position, or the color have absolutely nothing to do with gravitational potential energy

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3 years ago

About how much of Earth's water is available for humans to use?

lesya692 [45]

Answer:

0.3 %

Explanation:

Earth cleans and replenishes the water supply through the hydrologic cycle. The earth has an abundance of water, but unfortunately, only a small percentage, is even usable by people.

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3 years ago

A mass with mass 4 is attached to a spring with spring constant 24 and a dashpot giving a damping 20. The mass is set in motion

aleksandrvk [35]

Answer: $x(t) = 14e^{-2t} - 10e^{-3t}$