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Aleonysh [2.5K]
4 years ago
5

An atom has a small heavy ------------------ containing ---------

Physics
1 answer:
wlad13 [49]4 years ago
3 0
"nucleus" "protons and neutrons"
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A 588 mother sits on one side of a seesaw, 2.20m away from the pivot. one of her two children sits 2.00m from the pivot on the o
erastovalidia [21]
Using momentum balance:

The 588 N mother is on the other side of the seesaw, 2.20m away from the pivot

F1 = 588 N
x1 = 2.20 m

Two of her children sat on the other side:

F2 = 256 N
x2 = 2.00 m

F3 = 412 N
x3 = unknown

F1x1 = F2x2 + F3x3

Solve for x3:

588 * 2.2 = 256 * 2 + 412 * x3

x3 =  1.90 meters away from pivot
3 0
3 years ago
A football is kicked at ground level with a speed of 15.0 m/s at an angle of 31.0° to the horizontal. How much later does it hit
svetoff [14.1K]
I would say two seconds but I'm not to sure if that is correct.
7 0
4 years ago
A 0.144kg baseball is pitched horizontally at 38.0 m/s. After the baseball is hit by the bat, it moves at the same speed, but in
Hoochie [10]

Answer:

Given:

mass of the ball m = 0.144 kg

velocity v = 38 m/s

now,  change in momentum

P = m v- ( - mv)

  = 2 mv

  =2 x (0.144) x (38)

  = 10.944 kg-m/s

Impulse J= F. Δt

change in momentum is equal to impulse

J = 10.944 kg-m/s

we know force is equal to change in momentum per unit time

F = \dfrac{P}{t}

F = \dfrac{10.944}{0.8\times 10^{-3}}

F = 13.68 x 10³ N

F = 13.68 kN

3 0
4 years ago
How does the study of social sciences affect our society?
Kruka [31]

Explanation:

study of social sciencake us an effcient citizen of a democracy ,and it also help us to solve the practical problem in our daily life.

8 0
4 years ago
Please help meeeeeeeeeeeeeeee
maxonik [38]

probabilityAnswer:

2/27

Explanation:

The elk can not be eaten so we remove that from the probablity

so we have x/18

songbird = 4/18

mice = 6/18

4/18*6/18 = 2/27

5 0
2 years ago
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