2.5N
Explanation:
Given parameters:
Mass of object = 500g
Acceleration = 5m/s²
unknown:
Resultant force = ?
Solution:
According to Newton's second law "the net force on a body or the resultant force is the product of its mass and acceleration".
Resultant or net force = m x a
where m is the mass
a is the acceleration
Now we need to convert the mass to kg
1000g = 1kg
500g = 
= 0.5kg
Therefore;
Input the parameters:
Force = 0.5 x 5 = 2.5N
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Newton's law brainly.com/question/11411375
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Answer:
See below
Explanation:
See diagram below
Horizontal force of the 70 N : 70 cos 20
Vertical force of the 70 N :
70 sin20 <====this lessens the normal force, Fn
Gravitational force = mg = 15 (9.81) = 147.15 N
Work = force * distance = (70 cos 20 N - Ff ) * 5 M = 144.1 J
Explanation: Mouth guards protect your teeth when playing a sport. Just Incase a sports equipment comes in contact with your mouth, it protects your teethe from being chipped and broken. Athletes use mouth guards to protect their teeth from being damaged while they’re playing their desired sport.
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➷ Use the formula:
distance = speed x time
Convert 45 minutes into hours:
45 minutes ==> 0.75 hours
Substitute the values in:
distance = 64 x 0.75
Solve:
distance = 48km
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