Engine A delivers for . Engine B delivers for . Engine B does work
- A
Four times A
- Bcheck_circle
Twice A
- C
Same as A
- D
Half of A
Explanation
. Same time, double power → double work.
AP Physics 1· difficulty 2/5
Engine A delivers for . Engine B delivers for . Engine B does work
Four times A
Twice A
Same as A
Half of A
Explanation
. Same time, double power → double work.
Want 10 more like this — adaptive to your weak spots?
A motor with 80\% efficiency consumes 1000\text{W} of electrical power. Its mechanical power output is…
chevron_rightA locomotive applies 40{,}000\text{N} tractive force at constant 25\text{m/s}. Its power output is…
chevron_rightA pump lifts water at 0.020\,\text{m}^3/\text{s} to a height of 15\,\text{m} and delivers it with speed 5.0\,\text{m/s}. Density of water \rho=1000\,\text{kg/m}…
chevron_right