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܀ ܀ ܀ A car was going down from the hill at a speed of 88 ft/sec. Driver found the red signal at a distance of 200ft ahe
Posted: Mon May 02, 2022 3:12 pm
by answerhappygod
- A Car Was Going Down From The Hill At A Speed Of 88 Ft Sec Driver Found The Red Signal At A Distance Of 200ft Ahe 1 (13.11 KiB) Viewed 42 times
܀ ܀ ܀ A car was going down from the hill at a speed of 88 ft/sec. Driver found the red signal at a distance of 200ft ahead and 100 ft below, and he stopped at the signal. How much heat was generated at the brake, if other frictions are neglected. Total mass of car and driver was 3,000 lbm.