If he moves the piano 4 meters, with 700 newtons of force
in the direction of the motion, then the work done is
Work = (force) x (distance)
= (700 N) x (4 m) = 2,800 joules .
If he does all of that in 2 seconds, then
he did it at the rate of
(work) / (time) = (2,800 J) / (2 sec) = 1,400 watts
(about 1.88 'horsepower' !)
-- the applicant's previous experience at similar jobs;
-- the color of the applicant's hair;
-- the applicant's grammar and vocabulary;
-- where the applicant went to school;
-- the shirt the applicant wears to the job interview;
-- the applicant's favorite football team;
-- the applicant's self-confidence;
The maximum transverse force on a 1.00cm segment of the string is 0.045N.
The maximum transverse force on the segment,
l=1.00cm=1.00cm×1m/100cm=0.01m is,
F=μla
=(12.0×10^−3kg/m)×(0.01m)×(375m/s^2)
=0.045N
Hence the maximum force is 0.045N
Learn more about transverse force here:
brainly.com/question/13618693
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Hello
The kinetic energy K of a moving object is:
where m is the mass and v the velocity of the object.
Using this formula, we can calculate v for this problem:
Answer:
Ionic substances, also known as salts, conduct electricity when dissolved in water or when in the liquid state
Explanation: