Ashish

This page lists questions and answers that were posted by visitors named Ashish.

Questions

The following questions were asked by visitors named Ashish.

heisenberg uncertainty principle can't be applied to stationary electron.why?

If A=B+C and the magnitude of A,B.C are 5,4,3 units then angle between A and C is ?

(A).1200kW (B).120KW (C).12KW (D).1.2KW

(A).32J(B).46J(C).61J(D).102J

estimate each square root to one decimal place Ex what is the square root of 15

A ball whose mass is 100g is dropped from a height of 2m from the floor. it rebounds vertically upwards after colliding with the floor to a height 1.5 m. Find(a)The momentum of the ball before and after collision,(b)the average force exerted by the floor...

a fair is tossed 200 times. find the probability of getting a head an odd number of times.

1. The sum of ages of father and son is 64 years. Father says to son, “I am 5 times as old as you were when I was of your age.” What is the sum of digits of son’s age?

A man uses 1÷3 of his land for growing mangoes, 1÷4 for bananas,3÷8 for apples and remaining 18hectares for oranges. How much land does he have?

Chalk contains calcium,carbon and oxygen in the ratio 10:3:12.Find the percentage of carbon in a chalk and in a stick of chalk, carbon in 3g what is the length of chalk stick?

Jai savings was 2/5 more than Julia after Jai had given Rs.500 to Julia he had 1/5 of Julia money The total savings of Jai is

There are 121pupil in a computer class 8/9 of the boys and 4/5 of the girls were African . The rest were 104 Africans pupils ,how many Africans boy were in the computer class ?

Anil had a total of 448 mangoes and durians .He sold 164 fruits altogether .How many mangoes and durians were sold respectively?

The linear momentum of a car and truck are equal.which have more speed

1-A body is in motion with uniform acceleration of 4.5 kilometer per hour square find his value in CGS

The sum of the numerator and denominator of a fraction is 3 less than twice the denomiator.If the numerator and denomiator are decreased by 1,the numerator becomes half the denominator. Determine the fraction

If Y=sin2x/cosx than dy/dx is

Answers

The following answers were posted by visitors named Ashish.

hey stacey.. we know that, sin(x+y)= sinx cosy + cosx siny and sin(x-y)= sinx cosy - cosx siny so, sin(x+y)-sin(x-y) = {sinx cosy + cosx siny} - {sinx cosy - cosx siny} = sinx cosy + cosx siny - sinx cosy + cosx siny =cosx siny + cosx siny =2cosx siny hen...

Pi=2Po+1, Pi=3(Po+1) after solving we get the result as Pi=9 and Po=4

(A).1200KW(B).120KW(C).12KW(D).1.2KW

(A).3.3KW(B).0.33KW(C).3.3KW(D).3.3KW

(A).6m/s(B).4.5m/s(C).8m/s(D).7.2m/s

(A).U/25(B).U/5(C).5U(D).25U

(A).25^1/2cm(B).25cm(C).8.3cm(D).75cm

A true hero is a unifying force in a diverse society

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formula is wrong in the last problem. 1/2 is missing before a.

Is it D? Can you respond if it is A or D

Reduce into percent

1) Addition rule (280/500)+(400/500)-(200/500) =480/500