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alexira [117]
3 years ago
6

What is mass number

Physics
2 answers:
Mazyrski [523]3 years ago
6 0

Answer:

the total number of protons and neutrons in an atom

laila [671]3 years ago
4 0

Answer:

the number of protons and neutrons together make up the mass number of am element

hope it helps you

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A boy falls and hits his head with an impulse of 20N-s. On cement, the boy would hit for
ANTONII [103]

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xjdifjfiiiffiigigififidghffigfigivig

Explanation:

bye

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4 years ago
Determine the weight of a 5.1 kg scooter that moves with a constant acceleration of 3.0 ms2. (Make sure you use the weight equat
loris [4]

Answer:

15.3 sorry if i got it wrong

Explanation:

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3 years ago
Cuál es el significado del diálogo intercultural​
bagirrra123 [75]

Answer:

El diálogo intercultural es un intercambio de opiniones abierto y respetuoso entre individuos y grupos pertenecientes a diferentes culturas que conduce a una comprensión más profunda de la percepción global del otro

Explanation:

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3 years ago
You perform a double‑slit experiment in order to measure the wavelength of the new laser that you received for your birthday. Yo
BigorU [14]

Answer:

\lambda = 6.25\times10^{-9}= 625 nm

Explanation:

We now that for

for maximum intensity(bright fringe) d sinθ=nλ n=0,1,2,....

d= distance between the slits, λ= wavelength of incident ray

for small θ, sinθ≈tanθ= y/D where y is the distance on screen and D is the distance b/w screen and slits.

Given

d=1.19 mm, y=4.97 cm,  and,   n=10,   D=9.47 m

applying formula

λ= (d*y)/(D*n)

putting values we get

\lambda = \frac{1.19\times10^{-3}\times4.97\times10^{-2}}{9.47\times10}

on solving we get

\lambda = 6.25\times10^{-9}= 625 nm

8 0
3 years ago
If a ball starts with the velocity of 2.0m/s and accelerates with a constant rate of 0.50m/s squared for 2.5s what is the balls
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Acceleration can be any change in speed, increasing or decreasing.
You haven't said whether the ball is speeding up or slowing down.

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If its acceleration is negative ... speed is decreasing ... then in 2.5 seconds,
it LOSES (0.5 m/s² x 2.5 sec) = 2.5 m/s of speed.  Added to its initial
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7 0
3 years ago
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