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evaluate int x-1/(x+1)^3 e^x dx {integration question }

asked Apr 3, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 220 views

l,m,n are the pth and rth term of G.P all positive then

asked Apr 2, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 170 views

find the value of α for which A2 = B, is

asked Apr 2, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 241 views

A ^−1 = 1/6(A^ 2 +cA+dI) where c, d ∈ R, then pair of values (c, d) are _________

asked Apr 2, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 245 views

A time-dependent force F = 6t acts on a particle of mass 1 kg. If the particle starts from rest, the work done by the force during the first 1 sec. will be :

asked Apr 1, 2021 in Physics by Doubtly (98.9k points)

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1 answer 313 views

At time t = 0s particle starts moving along the x-axis. If its kinetic energy increases uniformly with time ‘t’,

asked Apr 1, 2021 in Physics by Doubtly (98.9k points)

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1 answer 172 views

Two masses of 1 g and 4g are moving with equal kinetic energy. The ratio of the magnitudes of their momenta is

asked Apr 1, 2021 in Physics by Doubtly (98.9k points)

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1 answer 302 views

A body of mass m=10−2 kg is moving in a medium and experiences a frictional force F=−kv2. Its initial speed is v0= 10 ms−1.

asked Apr 1, 2021 in Physics by Doubtly (98.9k points)

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1 answer 259 views

Consider a car moving on a straight road with a speed of 100 m/s. The distance at which a car can be stopped is : (μk = 0.5)

asked Apr 1, 2021 in Physics by Doubtly (98.9k points)

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1 answer 259 views

A smooth block is released at rest on a 45∘ incline and then slides a distance

asked Apr 1, 2021 in Physics by Doubtly (98.9k points)

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1 answer 205 views

A marble block of mass 2 kg lying on ice when given a velocity of 6 m/s is stopped by friction in 10s. Then the coefficient of friction is (consider g =10m/s)

asked Apr 1, 2021 in Physics by Doubtly (98.9k points)

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1 answer 208 views

A horizontal force of 10 N is necessary to just hold a block stationary against a wall. The coefficient of friction between the block and the wall is 0.2.

asked Apr 1, 2021 in Physics by Doubtly (98.9k points)

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1 answer 148 views

During the padding of a bicycle, the force of friction exerted by the ground on the two wheels is such that it acts

asked Apr 1, 2021 in Physics by Doubtly (98.9k points)

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1 answer 269 views

The number of seven digit integers, with sum of the digits equal to 10 and formed by using the digits 1, 2 and 3 only, is

asked Apr 1, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 701 views

If a, b, c are odd positive integers, then number of integral solutions of a + b + c = 13, is

asked Apr 1, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 1.5k views

The total number of positive integral solution for x, y, z such that xyz = 24, is

asked Apr 1, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 1.8k views

Two numbers are chosen from 1, 3, 5, 7,… 147, 149 and 151 and multiplied together in all possible ways.

asked Apr 1, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 268 views

Ammonolysis of alkyl halide to prepare primary, secondary and tertiary amines followed by NaOH is

asked Mar 31, 2021 in random by Doubtly (98.9k points)

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1 answer 468 views

A planet is revolving around sun in elliptical orbit. Maximum & minimum distance of planet from sun are respectively 1.6 × 1012 m and 6 × 1010 m.

asked Mar 30, 2021 in Physics by Doubtly (98.9k points)

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1 answer 384 views

A particle of mass m1 = m moving with velocity 10root3 m/s ˆ i collides with a particle of mass m2 = 2m at rest.

asked Mar 30, 2021 in Physics by Doubtly (98.9k points)

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