Covalent bonding occurs when pairs of electrons are shared by atoms.
An apple has the ability to change color when exposed to air is a chemical property.
Answer:c) Positive acceleration describes an increase in speed; negative acceleration describes a decrease in speed.
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I tried to answer before and it dident let me.
Move toward to the observer
Answer:
The frictional force acting on the block is 14.8 N.
Explanation:
Given that,
Weight of block = 37 N
Coefficients of static = 0.8
Kinetic friction = 0.4
Tension = 24 N
We need to calculate the maximum friction force
Using formula of friction force
Put the value into the formula
So, the tension must exceeds 29.6 N for the block to move
We need to calculate the frictional force acting on the block
Using formula of frictional force
Put the value in to the formula
Hence, The frictional force acting on the block is 14.8 N.