Answer:
Ffriction = 90 N
coefficient = 0.3
Explanation:
First, note that the sum of all the forces in the x directions equals the mass multiplied by the acceleration in the x direction.
assuming the direction of the pulling force is positive,
243 N - Ffriction = m * a
m= 30.6 kg
a= 5 m/s/s
Ffriction= 243 - m*a
Ffriction= 243 - (30.6)(5)
Ffriction=90 N
The force of friction is equal to the coefficient of friction multiplied by the normal force on the object. Because the pulling force is completely horizontal, the normal force of the object is equal to its weight, which is m * g, or (30.6 kg)(9.8 m/s/s) = 299.88 N
Ffriction = coefficient * Fnormal
90 = coefficient * 299.88
coefficient = 0.3
it will move the object if you apply force, because of that it will stay the same with newton's law.
Answer:
Acceleration, 
Explanation:
Given that,
Mass of Suzie, m = 76 kg
Initial speed of Suzie, u = 50 mph = 22.35 m/s
Finally, it stops, v = 0
Time, t = 1.2 s
Let a is the Suzie’s average acceleration. It is equal to the rate of change of velocity. Its formula is given by :
So, the average acceleration of Suzie’s is 
and she is decelerating. Hence, this is the required solution.
One movement is walking. A skill we use is writing. Another movement is blinking. Another skill we use with muscles is typing. And finally, another skill we use muscles during is brushing your teeth.
When all parts of a circuit are composed of conducting materials,
then it's possible for current to flow in the circuit, and we say that
the circuit is "closed".
