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Ede4ka [16]
4 years ago
10

I know that this is easy to do but can anyone help me out with this.

Physics
2 answers:
sergeinik [125]4 years ago
5 0
For future questions. You would take the # after you put in the rock and subtract by the # before. (# on beaker)
galben [10]4 years ago
4 0
10 g/cm cubed. the rock makes it go up 10 mL
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Define suspension and list two examples.
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3 years ago
State newton's universal law of gravitation
Lorico [155]

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3 years ago
The force of replusion between two like charged particles will increase if​
Alex_Xolod [135]

Answer:

The distance of separation is decreased

Explanation:

From Cuolomb's law, we know that the strength of charge is inversely proportional to the distance of separation between the charges. To mean that increasing the distance let's say from 2m to 3 m would mean initial strength getting form 1/4 to 1/9 which is a decrease. The vice versa is true hence the force of repulsion can increase only when we decrease the distance of separation.

7 0
3 years ago
Physics student is dropped. If they reach the floor at a speed of 3.2 m/s, from what height did they fall?
Mekhanik [1.2K]

Answer:

0.52 m

Explanation:

The motion of the studnet is an accelerated motion, with constant acceleration g=9.8 m/s^2 (acceleration of gravity) toward the ground. We can find the distance covered by the student (which is equal to the height from which he falls) by using the SUVAT equation:

v^2 -u^2 = 2ad

where

v = 3.2 m/s is the final speed

u = 0 is the initial speed

a = 9.8 m/s^2 is the acceleration

d is the distance covered

By re-arranging the equation, we find:

d=\frac{v^2-u^2}{2a}=\frac{(3.2 m/s)^2-0}{2(9.8 m/s^2)}=0.52 m

5 0
4 years ago
Nonmetals are usually _____ which means that they evaporate easily.
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3 0
3 years ago
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