2 years ago

What is an isotope?

Physics

1 answer:

NikAS [45]2 years ago

7 0

Answer:

Explanation:

they are atoms of the same element that have the same number of protons but different number of neutrons.

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A red car passes a blue car. Which is true?

Marrrta [24]

D. The red car is moving faster than the blue car

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3 years ago

Joe Burrow of the Cincinnati Bengals ate a turkey sandwich and an apple for lunch. Later that day, he spent 2 hours on the footb

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A Thermal energy was converted to kinetic energy

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2 years ago

For the different values given for the radius of curvature RRR and speed vvv, rank the magnitude of the force of the roller-coas

nirvana33 [79]

Explanation:

The force of the roller-coaster track on the cart at the bottom is given by :

$F=\dfrac{mv^2}{R}$ , m is mass of roller coaster

Case 1.

R = 60 m v = 16 m/s

$F=\dfrac{(16)^2m}{60}=4.26m\ N$

Case 2.

R = 15 m v = 8 m/s

$F=\dfrac{(8)^2m}{15}=4.26m\ N$

Case 3.

R = 30 m v = 4 m/s

$F=\dfrac{(4)^2m}{30}=0.54m\ N$

Case 4.

R = 45 m v = 4 m/s

$F=\dfrac{(4)^2m}{45}=0.36m\ N$

Case 5.

R = 30 m v = 16 m/s

$F=\dfrac{(16)^2m}{30}=8.54m\ N$

Case 6.

R = 15 m v =12 m/s

$F=\dfrac{(12)^2m}{15}=9.6m\ N$

Ranking from largest to smallest is given by :

F>E>A=B>C>D

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2 years ago

How many neutrons does C-13 have?<br> A. 6<br> B. 7<br> C. 13<br> D. 19

Mrac [35]

The answer is B. 7.

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3 years ago

What is radioactive dacay?

Tamiku [17]

The process by which an unstable atomic nucleus loses energy by radiation

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3 years ago