1.

The speed of an autorikshaw is 42 km/hour.It travels continuously for 3 hours 50 minutes.what is the distance travelled by it?

Answer»

\blue{\bold{\underline{\underline{Answer:}}}}

\green{\tt{\therefore{Distance\:travelled=161\:km}}}

\orange{\bold{\underline{\underline{Step-by-step\:explanation:}}}}

\green{\underline \bold{<klux>GIVEN</klux> :}} \\  \tt:\implies Speed \: of \: autorikshaw = 42 \: km \: h \\  \\ \tt:\implies time = 3 \: hour \: 50 \: min \\  \\ \red{\underline \bold{To \: Find :}} \\  \tt:  \implies Distance \: travelled =?

• ACCORDING to given QUESTION :

\tt \circ  \: Speed = 42 \times  \frac{5}{18}  =  \frac{210}{18}  \: m/s \\  \\  \tt \circ \: Time = 230 \times 60 = 13800 \: sec \\   \\  \bold{As \: we \: know \: that} \\  \tt:  \implies Distance = Speed \times Time \\  \\ \tt:  \implies Distance = \frac{210}{18}  \times 13800 \\  \\ \tt:  \implies Distance = \frac{2898000}{18}  \\  \\ \tt:  \implies Distance =161000 \: m \\  \\  \green{\tt:  \implies Distance = 161 \: km} \\  \\  \bold{ \blue{Some \: related \: formula}} \\  \orange{\tt \circ \: v =  u + at} \\  \\ \orange{\tt \circ \:  {v}^{2}  =   {u}^{2}  + 2as} \\  \\ \orange{\tt \circ \:s =  ut+ \frac{1}{2} {at}^{2}  }



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