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Explain why increase in current results in higher temperature of the wire.

Current is a measure of the rate of change of charged electrons going through the wire. Therefore, when the current increases more electrons are passing through the wire in a unit time. Thus, their averag...

BL
Answered by Braian L. Physics tutor
1658 Views

Find the eigenvalues for the matrix (4/2/3,2/7/0,-2/1/8)

8,5,6Add '-x-' to each of the three terms on the leading diagonalCalculate the determinant of the 3x3 matrix and set equal to zero (property of eigenvalues)Factorise to find values of x, for which the det...

TD
2064 Views

Explain the route and role of calcium ions in the Sliding Filament theory of muscle contraction

ROUTE: when an action potential arrives at the neuromuscular junction, Calcium ions are released from the sarcoplasmic reticulum, into the sarcoplasm, wh...

EC
Answered by Erin C. Biology tutor
15920 Views

Describe in detail three key features of the Classical Period (1750-1830)

  1. Periodic phrasing - the organising of musical ideas into shorter, balanced phrase lengths of typically 2 to 4 measures. The phrases consist of two parts, an antecedent and consequent. The antecedent...
HD
Answered by Hannah D. Music tutor
1491 Views

Johnny take 4 hours 50 minutes to drive 213 miles to Manchester. He then takes the train to Liverpool. Liverpool is 37 miles from Manchester and the train travels at 90mph. Calculate Johnny's average speed for his total journey in mph.

Total journey average speed = (total distance travelled ÷ total time taken).Total distance travelled = 213 miles + 37 miles = 250 milesTotal time taken (hours) = 4 + (50÷...

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Answered by Steven W. Maths tutor
2786 Views

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