In practice, there may be a systematic error in this experiment because of Page 14 of 51
THE E
friction in the pulleys.
When the measurements were taken, increasing values of m were used. State
and explain how friction in the pulleys would have affected the measured
values of y.
(2)
(Total 13 marks)
P!​

Suppose that a comet that was seen in 563 a. d. by chinese astronomers was spotted again in year 1951. assume the time between observations is the period of the comet and take its eccentricity as 0.986. what are (a) the semimajor axis of the comet's orbit and (b) its greatest distance from the sun?

An electric current in a wire will push or pull on a permanent magnet. which statement best explains how an electric current creates an electromagnetic force on another magnet?

Asap time is ! best answer gets compose at least one well-developed paragraph on the following: define the term concurrent powers, and give an example of a concurrent power of government.