B. Frictional force is your answer :)
Answer:
the standard metre is the length of path travelled by light in vacuum during interval of time of a second
Answer:20ohms
Explanation:
1/R=1/40 + 1/40
1/R=(1+1)/40
1/R=2/40
1/R=1/20
Cross multiplying we get R=20ohms
Answer:
Aluminum foil is a physical change. A further explanation is given below.
Explanation:
- The processing of aluminum foil starts with either a succession of cool rolling procedures, wherever another density including its aluminum alloy becomes diminished by half amongst every method.
- Aluminum foil modified thickness and weight, but it would be an aluminum sheet, so it would be a physical transition or change.