Which of the following has the greatest inertia? A. a toy car . . B. a jet airliner . . C. a full-size car . . D. a pick-up truc
1 answer:
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Answer:
v = 1.098 m/s
Explanation:
Given that,
A person walks 750m due north then 250 m due east of the entire walk takes 12 min.
We need to find the average velocity of the person.
Displacement,
Average velocity = displacement/time
So, the average velocity of the person is 1.098 m/s.
- (a)
;
- (b)
;
- (c)
;
- (d)
.
All four values are in 3 sig. fig.
<h3>Explanation</h3>(a)
.
(b)
Sum of the final charge on the two capacitors should be the same as the sum of the initial charge. Voltage of the two capacitors should be the same. That is:
;
;
.
(c)
.
.
(d)
Initial energy of the system, which is the same as the initial energy in the capacitor:
.
Change in energy:
.