Astronomers use the color of stars to determine how hot they are and their brightness to estimate how far away they are. <em>(D)</em>
Answer:if 1 m = 100 cm then there should be 200 cm in m^2
Explanation:
Answer:
Billions :)
<em>hope this helps! <3</em>
Answer:
Explanation:
Deceleration of solid disk = g sin10/1 + k²/r² = g sin 10 / 1 + 1/2 = g sin 10 x 2/3
[ k is radius of gyration of disk which is equal to( 1/√2)x r ]
deceleration a = -1.1345 m/s²
v = u - at , t = u / a = 1.5 / 1.1345 = 1.322 s.
A vacuum is an electrical motor and<span> which it converts electrical energy into mechanical energy.
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