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nevsk [136]
3 years ago
6

21. Compare and contrast beta particles to the electrons that surround neutral atoms.

Physics
1 answer:
stiv31 [10]3 years ago
6 0
Beta particles come from the nucleus. Electrons are found around the nucleus.
Beta particles normally travel very fast out of a nucleus in a straight line. Electrons normally orbit the nucleus of an atom.

They both have the same mass and the same charge.
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From a set of graphed data the slope of the best fit line is found to be 1.35 m/s and the slope of the worst fit line is 1.29m/s
Svetradugi [14.3K]

Solution:

Let the slope of the best fit line be represented by 'm_{best}'

and the slope of the worst fit line be represented by 'm_{worst}'

Given that:

m_{best} = 1.35 m/s

m_{worst} = 1.29 m/s

Then the uncertainity in the slope of the line is given by the formula:

\Delta m = \frac{m_{best}-m_{worst}}{2}               (1)

Substituting values in eqn (1), we get

\Delta m = \frac{1.35 - 1.29}{2} = 0.03 m/s

8 0
3 years ago
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mrs_skeptik [129]

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3 years ago
During soccer practice, Maya kicked a soccer ball 37° off the ground at 25 m/s. Max, the goalie, caught the ball 60 m away from
amid [387]

Answer:

3.0 seconds

Explanation:

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v_x = v_0 cos \theta = (25 m/s)(cos 37^{\circ})=19.97 m/s

and it does not change during the motion.

We also know that the ball travels a horizontal distance of d = 60 m, so we can find the time it takes to cover the distance by using the equation:

t=\frac{d}{v}=\frac{60 m}{19.97 s}=3.0 s

8 0
3 years ago
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Mandarinka [93]

Answer:

2.42hours

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Q = It where

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t is the time taken to boil the water

t = Q/I

t = 100,000/11.5

t = 8695.65seconds

t = 2.42hours

4 0
3 years ago
Why is the mechanical advantage of using a single pulley always 1? Assume there’s no friction. A. The input force is in a differ
STALIN [3.7K]

The answer  is D. The input force is equal to the output force.

I just did test and got it right

3 0
3 years ago
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