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Rachana
Questions (4)
In the triangle ABC, AD is perpendicular to BC. Angle CAD=y and angle DBA=x. AC=17 and BD=25 units Find the value of 5cosx
1 answer
431 views
Find the arithmetic progression and sum of its first 20 terms whose arithmetic mean and geometric mean between first and third
2 answers
562 views
Find the arithmetic progression and sum of its first 20 terms whose arithmetic mean and geometric mean between first and third
0 answers
500 views
Consider: C(12)H(22)O(11)(s) --> (11)H(2O) (g) + 12C (s)
The rate of decomposition of C12H22O11 is 0.75 mol/min. What mass of C
3 answers
1,958 views
Answers (1)
Train is 100m long Length of bridge is 800m Velocity of train Is 36 km/s Convert km/h to m/s 36km/h = 10 m/s So, T= (800+100)/10 = 900/10 =90s
