What is the rate of acceleration of a 2,000 kilogram truck if a force of 4,200 N is used to make it start moving forward?
2 answers:
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We will have the following:
So, the heat to add is 3611.52 Joules.
Explanation:
(a) Since, it is given that the blocks are identical so distribution of charge will be uniform on both the blocks.
Hence, final charge on block A will be calculated as follows.
Charge on block A =
= 4.35 nC
Therefore, final charge on the block A is 4.35 nC.
(b) As it is given that the positive charge is coming on block A . This means that movement of electrons will be from A to B.
Thus, we can conclude that while the blocks were in contact with each other then electrons will flow from A to B.