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kvv77 [185]
3 years ago
13

Calculate the potential energy of a 25kg ball sitting 25m high

Chemistry
1 answer:
Mariulka [41]3 years ago
8 0
The answer is 6,125. To get this you multiply both by 9.8
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Some chemicals which are used to control weeds may be harmful to the environment.<br> TrueFalse
pshichka [43]
Probably true because chemicals do control weed and it hurts the environment.
6 0
1 year ago
A beam balance is called a first class lever why?​
Dmitriy789 [7]

Answer:

A beam balance is an example of a first class lever.

Explanation:

A beam balance is an example of a first class lever. In a first class lever, the fulcrum is between the effort (force) and the load. The effort (force) moves over a large distance to move the load a smaller distance.

Other examples of first class lever are pliers, scissors, a crow bar, a claw hammer, a see-saw and a weighing balance etc.

8 0
2 years ago
A sample of water vapor has a volume of 3.15 L, a pressure of 2.40 atm, and a temperature of 325 K. What is the new temperature,
lara31 [8.8K]

Answer:

The answer to your question is:   T2 = 235.44 °K

Explanation:

Data

V1 = 3.15 L                    V2 = 2.78 L

P1 = 2.40 atm               P2 = 1.97 atm

T1 = 325°K                    T2 = ?

Formula

\frac{P1V1}{T1} = \frac{P2V2}{T2}

Process

            T2 = (P2V2T1) / (P1V1)

            T2 = (1.97x 2.78x 325) / (2.40 x 3.15)

            T2 = 1779.895 / 7.56

            T2 = 235.44 °K

4 0
3 years ago
24. H2SO4 has
Eddi Din [679]

Answer:

C.

Explanation:

para sakin letter C ganonn

3 0
3 years ago
Why is polymerization a type of addition reaction
KengaRu [80]
Because it happens somewhere
5 0
3 years ago
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