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1.List five rational numbers between: (iii) –4/5 and –2/3
09
Oct
1.List five rational numbers between: (iii) –4/5 and –2/3 1.List five rational numbers between: (iii) –4/5 and –2/3 October 9, 2020 Category: Chapter 9 - Rational Numbers , Maths , NCERT Class 7 ,
A 40 kg boy whose leg bones are 4 cm² in area and 50 cm long falls through a height of 50cm without breaking his leg bones. If the bones can stand a stress of 0.9 X 10^8 N/m². Calculate Young’s Modulus for the material of the bone.
09
Oct
A 40 kg boy whose leg bones are 4 cm² in area and 50 cm long falls through a height of 50cm without breaking his leg bones. If the bones can stand a stress of 0.9 X 10^8 N/m². Calculate Young’s Modulus for the material of the bone. Assuming young's modulus of aluminum to be [...]
Identical springs of steel and copper are stretched by equal forces , F each. On which is more work done?
09
Oct
Identical springs of steel and copper are stretched by equal forces , F each. On which is more work done? F each. On which is more work done? Identical springs of steel and copper are stretched by equal forces October 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
1.List five rational numbers between: (ii) –2 and –1
09
Oct
1.List five rational numbers between: (ii) –2 and –1 1.List five rational numbers between: (ii) –2 and –1 October 9, 2020 Category: Chapter 9 - Rational Numbers , Maths , NCERT Class 7 ,
Identical springs of steel and copper are stretched by equal lengths. On which is more work done?
09
Oct
Identical springs of steel and copper are stretched by equal lengths. On which is more work done? Identical springs of steel and copper are stretched by equal lengths. On which is more work done? October 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A block of mass M is suspended from a wire of length L, area of cross section A and young’s modulus Y. Find the elastic potential energy stored in the wire.
09
Oct
A block of mass M is suspended from a wire of length L, area of cross section A and young’s modulus Y. Find the elastic potential energy stored in the wire. A block of mass M is suspended from a wire of length L area of cross section A and young's modulus Y. Find the [...]
The work done in stretching a wire by 1 mm is 4 j . Find the work done in stretching another wire of same material, but double the radius and half the length by 0.1 mm in j.
09
Oct
The work done in stretching a wire by 1 mm is 4 j . Find the work done in stretching another wire of same material, but double the radius and half the length by 0.1 mm in j. but double the radius and half the length by 0.1 mm in j. The work done in [...]
Assuming young’s modulus of aluminum to be 7 x 10^10 N/m^2, find energy stored in an aluminium rod of cross section 10^-4 m^2 and 0.1 m long when compressed by a load of 10 kg.
09
Oct
Assuming young’s modulus of aluminum to be 7 x 10^10 N/m^2, find energy stored in an aluminium rod of cross section 10^-4 m^2 and 0.1 m long when compressed by a load of 10 kg. Assuming young's modulus of aluminum to be 7 x 10^10 N/m^2 find energy stored in an aluminium rod of cross [...]
An Indian rubber cube of side 7 cm has one side fixed, while a tengential force equal to the weight of 200 kilogram is applied to the opposite face. Find the shearing strain produced and distance through which th strained side moves. Modulus of rigidity for rubber is 2× 10^6 N/m^2.
09
Oct
An Indian rubber cube of side 7 cm has one side fixed, while a tengential force equal to the weight of 200 kilogram is applied to the opposite face. Find the shearing strain produced and distance through which th strained side moves. Modulus of rigidity for rubber is 2× 10^6 N/m^2. An Indian rubber cube [...]
Two strips of metal are riveted together at their ends by four rivets, each of diameter 6 mm. Assume that each rivet is to carry one quarter of the load. If the shearing stress on the rivet is not to exceed 6.9×10^7 Pa, the maximum tension that can be exerted by the riveted strip is
09
Oct
Two strips of metal are riveted together at their ends by four rivets, each of diameter 6 mm. Assume that each rivet is to carry one quarter of the load. If the shearing stress on the rivet is not to exceed 6.9×10^7 Pa, the maximum tension that can be exerted by the riveted strip is [...]