Question

integrate
(sec²xtanx)dr = ?​

Answer 1

Answer:

The essential difference between an AC generator and a DC generator is that

(a) AC generator has an electromagnet while a DC generator has

permanent magnet.

(b) DC generator will generate a higher voltage.

(c) AC generator will generate a higher voltage.

(d) AC generator has slip rings while the DC generator has a commutator.

A man standing on truck which is moving with constant velocity at 147m/s The man throws a ball in such a way

that it returns to the truck after the truck has moved 58.8m intal speed of ball is.

A 9,8 in s

6. 19.6 m/s

C.27.4 ms

D. 30 ms

E 34 4 ms

How much of the high-grade coal priced at INR 600/kg should be mixed to 200 kg of ordinary coal, priced at INR

450/kg, so as to make a profit of 11%, selling the mixture at INR 550/kg?

85 kg

250 kg

175 kg

100 kg