Chemical reactions may occur quickly or slowly true or false

1 answer:

8 0

The answer is true!!

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kumpel [21]

The work done by the engine is equal to the gravitational potential energy (GPE) put into it. GPE = mgh
GPE = Work = 1200·9.81·13 = 153,036J

7 0

4 years ago

Nata [24]

Answer:

0.83m/s

Explanation:

Given parameters:

distance = 1000m

time taken = 20min

Unknown:

Speed of the walking person = ?

Solution:

To solve this problem;

Speed = $\frac{distance}{time taken}$

Time taken should be in seconds;

1 min = 60s

20min = 20 x 60 = 1200s

Speed = $\frac{1000}{1200}$ = 0.83m/s

8 0

3 years ago

Licemer1 [7]

Take 110 and divide it by 2 and there's your answer

4 0

3 years ago

kumpel [21]

3 protons should be your answer

4 0

3 years ago

Anarel [89]

The force = 0.3 * 9.8 = 2.94
x = 0.13

k = 2.94/0.13
k = 22.6 N/m

5 0

3 years ago