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Oduvanchick [21]
2 years ago
8

How long does it take for earth to complete one full rotation?

Physics
1 answer:
Gwar [14]2 years ago
3 0

Answer:

23 hours 56 minutes 4.091 seconds

Explanation:

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The objective of baseball is to OUTSCORE your opponent.<br> True or false <br> Help ?
Yuki888 [10]

Answer:

True

Explanation:

The team with the most points at the end of the game is the winner.

5 0
3 years ago
Read 2 more answers
PLZ HELP ME Which are not correct statements?
AURORKA [14]
<span>A. Boyle's law only works when the pressure is constant.
</span><span>D. Charles's law relates volume and pressure.

Hope this helps!</span>
8 0
3 years ago
What is the length of a string with a mass of 2.5 kg, with a
natulia [17]
B 0.4 m should be correct if not it is A
4 0
3 years ago
The doppler effect is when objects are not moving?<br><br> True <br><br> False
SVETLANKA909090 [29]

Answer:

reviewing the statement we can say that it is FALSE

Explanation:

The Doppler effect is the change in the perceived frequency of a sound wave by the RELATIVE MOTION of the source and the observer.

This effect is very useful for finding the speed of an object.

When reviewing the statement we can say that it is FALSE

6 0
3 years ago
A stone with a weight of 5.29 N is launched vertically from ground level with an initial speed of 26.0 m/s, and the air drag on
makkiz [27]

Answer:

a) 19.4 m/s

b) 19 m/s

Explanation:

a) In the given question,

the potential energy at the initial point = Ui = 0

the potential energy at the final point = Uf = mgh

the kinetic energy at the initial point = Ki = 1/2 mv₀².

the kinetic energy at the final point = Kf = 0

work done by air= Ea= fh =  0.262 N

Now, using the law of conservation of energy

initial energy= final energy

Ki +Ui = Kf + Uf +Ea

1/2 mv₀² + 0 = 0 + mgh + fh

1/2 mv₀² = mgh + fh

h = v₀²/ 2g (1 +f/w)

calculate m

m= w/g = 5.29 /9.8

= 0.54 kg

h = 20 ²/ (2 x9.80) x (1 0.265/5.29)

h = 19.4 m.

b) 1/2 mv² + 2fh = 1/2 mv₀²

Vg = 19 m/s

6 0
3 years ago
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