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Alina [70]
3 years ago
8

How many time zones is the world divided into

Physics
2 answers:
Eddi Din [679]3 years ago
6 0

Answer:

there are 24 time zones

Explanation:

each time zone is roughly 15°apart

SVETLANKA909090 [29]3 years ago
6 0
24 time zones and 15° apart
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A monster truck enters a freeway with a speed of 0 m/s and accelerates at a rate of 25 m/s2 in 5 seconds. How far does the car t
Furkat [3]

Answer:

312.5

Explanation:

we know that

s= ut + 1/2 at^2

= 0*5+1/2*25*5^2

= 0+ 625/2

=312.5

plz mark as brainalist

5 0
4 years ago
What's the 3rd law of motion ?
harkovskaia [24]
The Third law is mixed with motion and force so if you drop a bouncy ball from 10ft it will hit the ground and loose half of its motion and come back up but only reach 5ft then when it bounces again only 2.5ft then so on so forth until it has no kinetic energy left.
8 0
3 years ago
Does blowing room-temperature air over an ice block heat it because of convection
Mandarinka [93]

Yes

Explanation:

Blowing a room-temperature air over an ice block will heat it because of convection.

Convection is one of the heat transfer modes that occurs in fluids.

  • In convection, a hot and lighter fluid replaces a denser and cold fluid.
  • It involves the actual motion of the particles of the medium.
  • In this analogy, the blowing room-temperature is hot and lighter.
  • It will replace the air close to the ice block body that is cold and denser
  • As the hot air comes near the ice block, it loses some of its heat and warms the cold ice.
  • In turn, the air becomes colder and moves away.
  • This is simple convection in action.

learn more:

Heat transfer by the sun brainly.com/question/1140127

#learnwithBrainly

5 0
3 years ago
What could happen in a circuit if the insulator is taken out?
Varvara68 [4.7K]

Answer:

Electrons will start moving faster in the circuit

7 0
3 years ago
A subatomic particle X spontaneously decays into two particles, A and B, each of rest energy 1.40 × 10^2 MeV. The particles fly
adoni [48]

Answer:

E = 389 MeV

Explanation:

The total energy of particle A, will be equal to the sum of rest mass energy and relative energy of particle A. Therefore,

Total Energy of A = E = Rest Mass Energy + Relative Energy

Using Einstein's Equation: E = mc²

E = m₀c² + mc²

From Einstein's Special Theory of Relativity, we know that:

m = m₀/[√(1-v²/c²)]

Therefore,

E = m₀c² + m₀c²/[√(1-v²/c²)]

E = m₀c²[1 + 1/√(1-v²/c²)]

where,

m₀c² = rest mass energy = 140 MeV

v = relative speed = 0.827 c

Therefore,

E = (140 MeV)[1 + 1/√(1 - (0.827c)²/c²)]

E = (140 MeV)(2.78)

<u>E = 389 MeV</u>

6 0
3 years ago
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