Physics 11
Question
Verify that y = tan-1 x is a solution of the differential equation
(1 2) 2 0
2
+ x 2 + =
d y
dx
x
dy
An express train takes 1 hour less than a passenger train to travel 132 km between Mysore and Banglore (without taking into consideration the time they stop at intermediate stations).If, the average speed of the express train is 11 km/hr more than thatof the passenger trains,find the average speed of two trains.
The perimeter of a right angle triangle is 30cms and it's hypotenuse is 13cms find the length of the other two sides
Are the amendments in tax for may 17 exams also applicable in june 17 exams (cs) ?
A man whose mass in 50 kg climbs up 30steps ofa stair in 30s .lf each step is 20 cm high calculate the power used in climbing stair
Class 9
March 16, 2017, 9:13 p.m.
Answer
Construct a right triangle whose base is 12 cm and sum of hypotenuse and other side is 18 cm
Two trains start from two stations a and b at the same time and proceed to reach at station b and a respectively
After crossing each other these trains take 81 and 49 hours respectively to reach their destinations
If the speed of first train 75 kilomete per hour
Then fund the seed of second trqin
After crossing each other these trains take 81 and 49 hours respectively to reach their destinations
If the speed of first train 75 kilomete per hour
Then fund the seed of second trqin