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Draw the following: 1. The square READ with RE = 5.1 cm
11
Oct
Draw the following: 1. The square READ with RE = 5.1 cm Draw the following: 1. The square READ with RE = 5.1 cm October 11, 2020 Category: Chapter 3 - Understanding Quadrilaterals , Maths , NCERT Class 8 ,
A square metal plate of 10 cm side moves parallel to another plate with a velocity of 10 cm/s both plates immersed in water. If the viscous force is 200 dyne and viscosity of water is 0.01 poise, what is their distance a part.
11
Oct
A square metal plate of 10 cm side moves parallel to another plate with a velocity of 10 cm/s both plates immersed in water. If the viscous force is 200 dyne and viscosity of water is 0.01 poise, what is their distance a part. A square metal plate of 10 cm side moves parallel to [...]
1. Construct the following quadrilaterals, (ii) Quadrilateral TRUE TR = 3.5 cm RU = 3 cm UE = 4 cm ∠R = 75° ∠U = 120°
11
Oct
1. Construct the following quadrilaterals, (ii) Quadrilateral TRUE TR = 3.5 cm RU = 3 cm UE = 4 cm ∠R = 75° ∠U = 120° (ii) Quadrilateral TRUE TR = 3.5 cm RU = 3 cm UE = 4 cm ∠R = 75° ∠U = 120° 1. Construct the following quadrilaterals October 11, 2020 [...]
1. Construct the following quadrilaterals. (i) Quadrilateral DEAR DE = 4 cm EA = 5 cm AR= 4.5 cm ∠E = 60° ∠A = 90°
11
Oct
1. Construct the following quadrilaterals. (i) Quadrilateral DEAR DE = 4 cm EA = 5 cm AR= 4.5 cm ∠E = 60° ∠A = 90° 1. Construct the following quadrilaterals. (i) Quadrilateral DEAR DE = 4 cm EA = 5 cm AR= 4.5 cm ∠E = 60° ∠A = 90° October 11, 2020 Category: Chapter [...]
1. Construct the following quadrilaterals. (iv) Rectangle OKAY OK = 7 cm KA = 5 cm
11
Oct
1. Construct the following quadrilaterals. (iv) Rectangle OKAY OK = 7 cm KA = 5 cm 1. Construct the following quadrilaterals. (iv) Rectangle OKAY OK = 7 cm KA = 5 cm October 11, 2020 Category: Chapter 3 - Understanding Quadrilaterals , Maths , NCERT Class 8 ,
A force of 3.14 N is required to drag a sphere of radius 4 cm with a speed of 5 m/s in a medium in gravity free space. Find the coefficient of the viscosity of the medium.
11
Oct
A force of 3.14 N is required to drag a sphere of radius 4 cm with a speed of 5 m/s in a medium in gravity free space. Find the coefficient of the viscosity of the medium. A force of 3.14 N is required to drag a sphere of radius 4 cm with a speed [...]
1. Construct the following quadrilaterals. (ii) Quadrilateral PLAN PL = 4 cm LA = 6.5 cm ∠P = 90° ∠A = 110° ∠N = 85°
11
Oct
1. Construct the following quadrilaterals. (ii) Quadrilateral PLAN PL = 4 cm LA = 6.5 cm ∠P = 90° ∠A = 110° ∠N = 85° 1. Construct the following quadrilaterals. (ii) Quadrilateral PLAN PL = 4 cm LA = 6.5 cm ∠P = 90° ∠A = 110° ∠N = 85° October 11, 2020 Category: Chapter [...]
1. Construct the following quadrilaterals. (i) Quadrilateral MORE MO = 6 cm OR = 4.5 cm ∠M = 60° ∠O = 105° ∠R = 105°
11
Oct
1. Construct the following quadrilaterals. (i) Quadrilateral MORE MO = 6 cm OR = 4.5 cm ∠M = 60° ∠O = 105° ∠R = 105° 1. Construct the following quadrilaterals. (i) Quadrilateral MORE MO = 6 cm OR = 4.5 cm ∠M = 60° ∠O = 105° ∠R = 105° October 11, 2020 Category: Chapter [...]
A metallic sphere of radius 1.0 × 10^−3 m and density 1.0 × 10^4 kg/m^3 enters a tank of water, after a free fall through a distance of h in the earth’s gravitational field. If its velocity remains unchanged after entering water, determine the value of h. Given: coefficient of viscosity of water = 1.0 × 10^−3 N s/m^2,g=10 m/s^2 and density of water = 1.0 × 10^3 kg/m3.
11
Oct
A metallic sphere of radius 1.0 × 10^−3 m and density 1.0 × 10^4 kg/m^3 enters a tank of water, after a free fall through a distance of h in the earth’s gravitational field. If its velocity remains unchanged after entering water, determine the value of h. Given: coefficient of viscosity of water = 1.0 [...]
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A metallic sphere of radius 1.0 × 10^−3 m and density 1.0 × 10^4 kg/m^3 enters a tank of water ,
after a free fall through a distance of h in the earth's gravitational field. If its velocity remains unchanged after entering water ,
determine the value of h. Given: coefficient of viscosity of water = 1.0 × 10^−3 N s/m^2 ,
g=10 m/s^2 and density of water = 1.0 × 10^3 kg/m3. ,
Find the minimum force required to drag a hard polythene plate of area 2 m^2 on a thin flim of oil of thickness 0.25 cm and n = 15 poise. Assume the speed of the plate is 10 cm/s.
11
Oct
Find the minimum force required to drag a hard polythene plate of area 2 m^2 on a thin flim of oil of thickness 0.25 cm and n = 15 poise. Assume the speed of the plate is 10 cm/s. Find the minimum force required to drag a hard polythene plate of area 2 m^2 on [...]