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belka [17]
3 years ago
6

Would a meteorologist new to the local area have difficulty forecasting the weather?

Physics
2 answers:
liq [111]3 years ago
5 0
It's the last answer. Although weatherman do use computer-generated data and track weather with various measurement tools, they do use personal knowledge as well.
Firdavs [7]3 years ago
4 0
No, they use computer-generated data and a script usually.
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An 80-kg quarterback jumps straight up in the air right before throwing a 0.43-kg football horizontally at 15 m/s . How fast wil
Lilit [14]

Answer:

Explanation:

We shall apply law of conservation of momentum .

m₁ v₁ = m₂ v₂

m₁ = 80 kg

v₁ = ?

m₂ = .43 kg

v₂ = 15 m /s

80 v₁ = .43 x 15

v₁ =  .43 x 15  / 80

= .08 m /s

8 cm /s

option A is correct.

Law of conservation of momentum is applied only where no external force acts . Here during the period when ball was thrown , apart from internal force , external force like gravitational force was also acting but we still applied this law because the time duration of action of throw was very small

so we neglected the effect of external force . So it was just an approximation.

7 0
3 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
The force of attraction between two like charged table tennis balls is 2.4 × 10-5 newtons. If the charge on the one is 3.8 × 10-
k0ka [10]
To have a force of 3.8x10-8 the two chaarges must be 0.65m apart. 

7 0
4 years ago
Read 2 more answers
Calculate the pressure in pascals if a 200N force is applied to an area of 0.5m2.
Serhud [2]

Answer:

400Pa

Explanation:

use pressure = force/area

5 0
3 years ago
Suppose you found a rock that has all of the characteristics of a meteorite. You take it to a physicist friend who confirms that
Usimov [2.4K]

Answer: The origin might be from MARS

Explanation: Meteorites origin are either from Asteroid, Moon or Mars. Their origin is usually classified according to their age after using radioisotope dating. Meteorites that originate from Mars are between the age of 4.5 billion to 200 million years. Since the meteorite in question is only a billion years old, the origin would be from Mars.

6 0
3 years ago
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