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Rainbow [258]
3 years ago
11

An object has a mass of 2000kg what is its weight on earth

Physics
2 answers:
Alenkinab [10]3 years ago
7 0

Answer:

19600 N

Explanation:

weight = mass x gravity

We know that gravity = 9.8 m/s^2 and mass = 2000 kg.

w = m x g

w = 2000 kg x 9.8 m/s^2

w = 19600 N

The weight of the object is 19600 N (newtons).

qwelly [4]3 years ago
5 0

Answer:

the answer i 2000kg

Explanation:

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The moon is not seen at all on the new moon.why???​
tino4ka555 [31]

<u>The moon is not seen at all on the new moon because:</u>

The moon itself doesn't make a light, it reflects sunlight. At the point when the moon lies between the Earth and the Sun, it is just the posterior of the moon that is light by the Sun. In this circumstance, the side of the moon confronting the Earth can't mirror any light whatsoever and seems dull.  

The distinction between another moon and a sunlight based over-shadowing is during a sun oriented obscuration, the moon is actually in the position to completely obstruct the sun during the day.

5 0
3 years ago
When a nerve cell fires, charge is transferred across the cell membrane to change the cell's potential from negative to positive
goldenfox [79]

Answer:

The average current will be "17.69 nA".

Explanation:

The given values are:

Charge,

q = 9.2 pC

Time,

t = 0.52ms

The equivalent circuit of the cell surface is provided by:

⇒  i_{avg}=\frac{charge}{t}

Or,

⇒  i_{avg}=\frac{q}{t}

On substituting the given values, we get

⇒         =\frac{9.2\times 10^{-12}}{0.52\times 10^{-3}}

⇒         =17.69^{-9}

⇒         =17.69 \ nA

3 0
4 years ago
According to the law of conservation of energy, when a car uses 10,000 J of chemical energy from gasoline, how much of this ener
Dmitriy789 [7]
The answer is A because its asking how much of all 3 energies combined will it give off.
6 0
3 years ago
Alex swims at an average speed of 45 m/min. How far does he swim in 1 min 24 secs?
ohaa [14]

Answer:

SOLUTION: Alex swim at an average speed of 45 meters per seconds how far does he swim in 1 minutes and 24 seconds. 1 minute and 24 seconds is 84 seconds. If he swims 45 meters every second and he swims for 84 seconds, that means he swims: 45 * 84 = 3780 meters in 1 minute and 24 seconds.

Explanation:

You multiply 45 by 84 and that is equal to 3,780.

3 0
3 years ago
Unless indicated otherwise, assume the speed of sound in air to be v = 344 m/s. You have a stopped pipe of adjustable length clo
faltersainse [42]

Answer:

Length of pipe = 0.057 meter

Explanation:

Speed of a transverse wave on a string

v = \sqrt{\frac{F}{\mu} }

where F is the tension in string and \mu is the mass per unit length

Thus,

\mu = \frac{m}{L}

Substituting the given values we get -

\mu = \frac{7.25 * 10^{-3}}{0.62}\\mu = 0.0117 \frac{Kg}{m}

Speed of a transverse wave on a string

v = \sqrt{\frac{4510}{0.0117} } \\v = 620.86 \frac{m}{s}

For third harmonic wave , frequency is equal to

f = \frac{nv}{2L}

Substituting the given values, we get -

f = \frac{3 * 620.86}{2 * 0.62} \\f = 1502.08

Length of pipe

L = \frac{nv}{4 f}

Substituting the given values we get

n = 1 for first harmonic wave

L = \frac{344* 1}{4*1502.08} \\L = 0.057

Length of pipe = 0.057 meter

5 0
4 years ago
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