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4 years ago

Which is not a metric base unit?

Physics

1 answer:

a_sh-v [17]4 years ago

4 0

I think the answer is kelvin,

hope is helps!

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A helium atom has a mass of mHe= 4.002604 u. When disassembled into its constituent subatomic particles (2 protons, 2 neutrons,

Paraphin [41]

Answer:

28.295244 MeV

Explanation:

$m_p$ = Mass of proton = 1.007276 u

$m_n$ = Mass of neutron = 1.008665 u

$m_e$ = Mass of electron = 0.000549 u

Mass of reactant is 4.002604 u

Mass of the products is

$2\times (m_p+m_n+m_e)=2\times (1.007276+1.008665+0.000549)=4.03298\ u$

(2 because there are 2 of each)

The difference in mass is

$4.03298-4.002604=0.030376\ u$

So, the work done in MeV would be

$0.030376\times 931.5=28.295244\ MeV$

The work done required to completely disassemble all the helium is 28.295244 MeV

8 0

4 years ago

U are asked to measure the amount of liquid held in a sports drink bottle.which is an appropriate unit of measurement? is grams,

saul85 [17]

Milliliters would be used to find the volume AKA amount of liquid

5 0

3 years ago

You're driving down the highway late one night at 22 m/s when a deer steps onto the road 38 m in front of you. Your reaction tim

sleet_krkn [62]

speed of the car is given on the road

$v = 22 m/s$

reaction time is given as

$t = 0.50 s$

now we can find the distance that it will move during this reaction time

$d_1 = 22* 0.50 = 11 m$

now the deceleration of the car is 10 m/s^2

so the distance that it will move before stop is given by

$v_f^2 - v_i^2 = 2 a d$

$0^2 - 22^2 = 2*(-10)*d$

$d = 24.2 m$

so the total distance that it require to stop is given as

$d = 24.2 + 11 = 35.2 m$

while the deer is standing at distance 38 m

so the car will stop 2.8 m before the position of deer

3 0

3 years ago

What are the limitations of using solar panels?

umka21 [38]

Location & Sunlight Availability.
Solar Panels use a large amount of space.
The Sun isn't always present.
Solar Energy is Inefficient.
There is an overlooked Pollution & Environmental Impact.
Expensive Energy Storage.
High Initial Cost.

8 0

3 years ago

In which place moutain or terai,the value of g is more and why?

PolarNik [594]

Answer:

the radius of the earth in himalayan region is greater than terai reagion. therefore, the value of 'g' at the poles is greater than the value of g at the equator. 12

Explanation:

plz mark as brainlist thx :)

6 0

3 years ago