a boy swins in a 100 m long pool he covers 60 m with a velocity of 20m/s and covers the rest of the distance with the velocity of 10m/s. calculate the average velocity of the boy.
answer me with solutions. i got 14.2 m/s
- 3786 दृश्य
- 2 उत्तर
2 उत्तर
- I am a BC -d student how much marks I score in neet
- What is the exam pattern for NEET Exam?
- AFMC BSCnursing entrance exam preparation tips
- what are aplanospores????
- which chapters are most imp in biology ?
- The urine formed is hypotonic or hypertonic?
- what should I do if my selection was not done under
- tell me why ostrichthyes are more evolved than chondrichthyes?
- What is the value of electron gain enthalpy of Na+ if IE1 of Na=5.1eV?
- when mock test will be added?
मॉक परीक्षण अभ्यास के लिए
neet
AV=T.displacement/t.time total displace.=100m T.time=60/20+40/10=7sec putting in formula 14.3m/s and is obtained.