Consider a block sliding down a ramp whose motion is opposed by frictional forces. The total energy of this system is modeled by
the equation:
Etotal = 1/2mv^2 + mgh + Ff(f is underscore)d
Which part of the equation represents the amount of energy converted to thermal energy?
A. mg
B. Ffd
C. mgh
D. 1/2 mv^2
Etotal = 1/2mv^2 + mgh + Ff(f is underscore)d
Which part of the equation represents the amount of energy converted to thermal energy?
A. mg
B. Ffd
C. mgh
D. 1/2 mv^2
2 answers:
You might be interested in
Answer:
x=2.17 m
x=8.4 m
Explanation:
Given that
To find acceleration :
we know that
Acceleration at t= 2 s
Acceleration at t= 5 s
We know that
Position at t= 2 s:
x=2+0.25 ln2
x=2.17 m
Position at t= 5 s:
x=8+0.25 ln5
x=8.4 m