Alice kicks a 0. 25 kg soccer ball with 0. 5 N of force. What force does the ball exert on Alice’s foot as she kicks it? N.
1 answer:
The force exerted on Alice’s foot as she kicks the ball is 1.25 N.Force can be defined as the influence that can accelerate the object.
<h3>What is force?</h3>
Force can be defined as the influence that can accelerate the object. From Newton's Second Law of motion,
Where,
- force
- mass = 0. 25 kg
- acceleration = 5 N
Put the values in the formula,
Therefore, the force exerted on Alice’s foot as she kicks the ball is 1.25 N.
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Answer:
Molar Mass=193.9738 g/mol
Molar Mass≅194g/mol
Explanation:
Consider the formula:
m=ΔT/K_{f}
where:
ΔT is freezing point depression
K_{f} is freezing point depression constant
m is the morality=(moles of solute/kg of solvent)
Now:
Now:
0.07733 (moles of solute/kg of solvent) *0.010 kg of solvent
moles of solute(Caffeine)
Molar mass = Mass of solute/moles of solute
Molar Mass=
Molar Mass=193.9738 g/mol
Molar Mass≅194g/mol