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svetlana [45]
3 years ago
6

Select all that apply. A scientific law: A- is generally accepted as true B- has never been found to be in error C- has no known

contradictions D- must be reverified occasionally
Chemistry
2 answers:
Anon25 [30]3 years ago
6 0

A and D

They are sometimes proven wrong and contradicted, so these would make the most sense

Sidana [21]3 years ago
4 0

Answer:

A) is generally accepted as true

D)must be re verified occasionally

Explanation:

A scientific law is proposed based on some scientific studies including hypothesis, thesis , verification etc.

These when proposed are considered as true that is why they are accepted.

However with time they must be re verified occasionally so that if chance of some contradiction and error can be minimized. For example periodic law proposed by Mendleev was based on atomic weight which was later on changed to be based on atomic number.

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First of all, this is the chemistry section, while your question is a physics question. Anyway I'll tell you how to solve it.

First we need to find the rate that the truck moves in a second.

1km = 1000m
40km = 40000m
40000m/hr
1 hour = 60 minutes
40000m/hr ÷ 60 = 666.66(repeating)/minute
1 minute = 60 seconds
666.66m/min ÷ 60 = 11.11(rep)m/s

Next we simply multiply the speed of the truck by the number of seconds it travels.

11.11 × 5 = 55.55
Make sure to round it unless you indicate the repeating decimal.
The truck moved 55.56m in 5 seconds.
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