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alexandr1967 [171]
4 years ago
15

What causes a nucleus to become radioactive?

Physics
1 answer:
timurjin [86]4 years ago
4 0

Answer:

Answer the strong nuclear force attracts and binds protons and makes the nucleus unstable

Explanation:

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Type the correct answer in the box. Use numerals instead of words. Frank has a sample of steel that weighs 80 grams. If the dens
ad-work [718]

Answer:

10cm^3

Explanation:

Given data

Mass of steel = 80grams

density of steel= 8 g/cm^3

We know that the formula for density is given as

density= mass/volume

make volume subject of formula

volume= mass/density

volume=80/8

volume= 10cm^3

Hence, the volume 10cm^3

8 0
3 years ago
A sled is pulled up to the top of a hill. At thetop of the hill the sled is released from rest and allowed to coastdown the hill
Stolb23 [73]

Answer:

a.) the speed at the bottom is greater for the steeperhill

Explanation:

since the energy at the bottom of the steeper hilis greater

mgh =\frac{1}{mv^2}

As we can see from above that v is higher when h ishigher.

8 0
3 years ago
The truck is described as travelling at 30mph to the west. The quantity described here is a(n)
marysya [2.9K]
Velocity velocity is a vector value and needs not only the magnitude (speed) but also a direction(west)
3 0
4 years ago
Read 2 more answers
A race car exerts 18,344 N while the car travels at an acceleration of 92.54 m/s2. What is the mass of the car? (Use the formula
Maru [420]

Answer:

<h3>The answer is 198.23 kg</h3>

Explanation:

To find the mass of an object given it's mass and acceleration we use the formula

m =  \frac{f}{a}  \\

where

m is the mass

F is the force

a is the acceleration

From the question

a = 92.54 m/s²

F = 18,344 N

We have

m =  \frac{18344}{92.54}  \\  = 198.2277933...

We have the final answer as

<h3>198.23 kg</h3>

Hope this helps you

4 0
4 years ago
Read 2 more answers
A 0.50 kilogram frog is at rest on the bank surrounding a pond of water. As the frog leaps from the bank, the magnitude of the a
Sveta_85 [38]
F = M a

= (0.5) (3)

= 1.5 newtons
4 0
4 years ago
Read 2 more answers
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