Saved Bookmarks
| 1. |
A bus starting from rest moves with a uniform acceleration of 0.2 m/s2 for 4 min find 1. the speed required 2 . the distance travelled. |
|
Answer» :➥ The distance travelled by a bus = 5760 m➥ The speed required by a bus = 24 m/sGiven :➤ Intial VELOCITY of a bus (u) = 0 m/s➤ Acceleration of a bus (a) = 0.2 m/s²➤ Time taken by a bus (t) = 4 minTo Find :➤ Distance travelled by bus a bus (s) = ?➤ Speed required by a bus = ?SOLUTION :To find the distance travelled by a bus and speed required by a bus, FIRST we need to convert the time taken by a bus minute into second, then after we find the distance travelled by a bus and speed required by a bus.◈ Time taken (t) = 4 min = 4 × 60 = 240 secDistance travelled by bus a busFrom second EQUATION of motionHence, the distance travelled by a bus is 5750 m.Speed required by a busAs we know thatHence, the speed required by a bus is 24 m/s. |
|