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What are the two angles of projection of a projectile projected with velocity 30m/s, so that the horizontal range is 45m. Take, `g =

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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The blades of an aeroplane propeller are rotating at the rate of 600 revolutions per minute. Calculate its angular

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What is a uniform circular motion? Explain the terms time period, frequency and angular velocity. Establish relation between

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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A body of mass m is thrown with velocity `'υ'` at angle of `30^o` to the horizontal and another body B of the same mass is thrown with velocity υ at an angle of `60^o` to the horizontal. Find the ratio of the horizontal range and maximum height of A and

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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At what point of projectile motion (i) potential energy maximum (ii) Kinetic energymaximum (iii) total mechanical energy is

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If x = a, then which of the following is not always true for an integer

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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If 3x – 4 (64 – x) = 10, then the value of x

asked Jan 18, 2022 in 8th-maths by sumit (1.6k points)

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Fifteen added to thrice a whole number gives 93. The number is

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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If `1/3-x=-2/3 `, then x is

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Three consecutive even numbers whose sum is 156 are 51, 52 and

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x = –12 is the solution of the linear equation 5x –3(2x + 1) =

asked Jan 18, 2022 in 8th-maths by uday (1.6k points)

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Solve : `x/2+x/4+x/5+10000=

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The present age of father is four times the age of his son. After 10 years, age of father will become three times the age of his son. Find their present

asked Jan 18, 2022 in 8th-maths by uday (1.6k points)

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A steamer goes downstream from one point to another in 7 hours. It covers the same distance upstream in 8 hours. If the speed of stream be 2 km/hr, find the speed of the steamer in still water and the distance between the

asked Jan 18, 2022 in 8th-maths by Simran (1.8k points)

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Distance between two stations A and B is 690 km. Two cars start simultaneously from A and B towards each other, and the distance between them after 6 hours is 30 km. If the speed of one car is less than the other by 10 km/hr, find the speed of each

asked Jan 18, 2022 in 8th-maths by nishit (1.8k points)

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Application on problem solving strategy A home-owner is installing a fence around the square garden. The garden has a perimeter of 6480 cm. Write and solve the equation to find the garden’s

asked Jan 18, 2022 in 8th-maths by uday (1.6k points)

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The solution of which of the following equations is neither a fraction nor an

asked Jan 18, 2022 in 8th-maths by Arun (1.7k points)

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The solution of the equation ax + b = 0

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If 8x – 3 = 25 +17x, then x

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The shifting of a number from one side of an equation to other is

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