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Does a negative acceleration always mean that the object is slowing down?

Sometimes, but definitely not always! Note: it's all dependent on which direction has been assigned '+'. Acceleration is a vector quantity , (the rate of change of velocity), meaning it has both magnitude an...
RG
Answered by Rohan G. • Physics tutor
19579 Views

What happens when two atoms of potassium react with one atom of sulphur?

Bonding between this compound will be ionic as potassium is a metal and sulphur is a non-metal.Therefore electrons are transferred from potassium to sulphur as metals must lose electrons to gain a full outer...
AS
Answered by Amrit S. • Chemistry tutor
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Describe how the ancestors of modern lemurs may have evolved into the species shown in Figure 14. (June 2018, 5 marks)

The ancestors of modern Lemurs arrived in Madagascar and spread across the island. At some point after this, the once contiguous population became fragmented into three separate populations. Each of these po...
JB
Answered by Joseph B. • Biology tutor
15481 Views

Describe the differences between Aerobic and Anaerobic respiration in animals.

Aerobic respirations occurs in the presence of oxygen, the products of which are water, carbon dioxide and energy. (glucose + oxygen -> carbon dioxide + water + energy)Anaerobic respiration doesn't use ox...
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Answered by Bilal R. • Biology tutor
3728 Views

Balance the following equation: __C8H18 + __ O2 --> __CO2 + __H2O

Balancing the equation means there must be an equal number of each element on both sides of the equation. In this case, we start with 8 carbon atoms on the left and just 1 on the right, so we can put 8 molec...
MS
Answered by Michael S. • Chemistry tutor
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