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Lera25 [3.4K]
3 years ago
11

How do constellations differ from other groupings of stars such as galaxies?

Physics
1 answer:
SashulF [63]3 years ago
3 0
I think a constellation is an area of sky that contains up a picture, object, animal, ect. - a galaxy is a grouping of several million to billion stars, gas and dust, that is gravitationally bound. 
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True or False? A negative energy balance occurs when you take in more calories than you need, and a positive energy balance occu
Rudik [331]
False, because if you take too much calories, you are have too much. That means you are in the positive, you have too much energy.

and if you take fewer, you will have less calories, so less energy.
7 0
3 years ago
A child’s toy launches a model parachutist of mass 0.40 kg vertically upwards. The model parachutist reaches a maximum height of
melisa1 [442]

Answer:

(a) =34.0J

(b) = 13.038m/s

(c) =

Explanation:

(a) mass (m) =0.45kg

Height(h) =8.5m

Gravity (g) =10m/s^2

But P. E (Potential Energy) = mass × gravity × height

P. E = 0.45×10×8.5

P. E = 34.0J

(b) using v^2=u^2 - 2gs

Where v = final velocity

u= initial velocity

g = gravity

s =distance

But at maximum height <u>v</u><u> </u>=0

0^2= u^2 - 2gs

Transpose u^2 we have

u^2 = 2gs

u^2 = 2×10×8.5

u^2 = 170

u = square root of 170

u = 13.038m/s

4 0
4 years ago
Suppose you are on an airplane moving at high speed. If you flip a coin straight up it will land in your lap rather than a great
maxonik [38]
It will land in your lap because there's different frames of motion relative to yourself. For example, if you're running at a speed of 6 mph, it doesn't mean you'll run as fast as the Earth spins. Also, since you're on the interior of the plane, any kind of wind or weather on the outside will not affect the coin. A law to back up this claim is Einsteins Special Law of Relativity.
8 0
4 years ago
Read 2 more answers
What secondary color is made by mixing red and green in the rgb additive-color scheme for light?.
neonofarm [45]

Explanation:

Looking at the placement of primary colors in the RGB color wheel, the mixing of the red and green colors will create Yellow secondary color.

7 0
2 years ago
Conductance is directly proportional to the length of a conductor. true false user: resistance is inversely proportional to the
zlopas [31]
1) false

2) area of the conductor
7 0
3 years ago
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