A catapult consists of two parallel rubber strlings each of lengths, `10 cm` and cross sectional area `10mm^(2)`. Wen struetched by `5 cm`, it can throw a stone of mass `10 gm` to a vertical height of `25 m`. Determine Young's modulus of elasticity of rubber.

A catapult consists of two parallel rubber strings each of lengths, 10 cm and cross sectional area 10mm^(2) . When stretched by 5 cm , it can throw a stone of mass 10 gm to a vertical height of 25 m . Determine Young's modulus of elasticity of rubber.

A catapult consists of two parallel rubber strings, each of lengths 10cm and cross sectional area 10mm^2 .When stretched by 5cm, if can throw a stone of mass 100g to a vertical height of 25m. Determine Young’s modulus of elasticity of rubber.

A catapult consists of two parallel rubber cords each of length 20cm and cross-sectional area 5cm^(2) . When stretched by 8cm , it can throw a stone of mass 4gm to a vertical height 5m , the Young's modulus of elasticity of rubber is [g = 10m//sec^(2)]

A boy has a catapult made of a rubber cord of length 42 cm and diameter 6.0 mm . The boy stretches the cord by 20 cm to catapult a stone of mass 20 g . The stone flies off with a speed of 20 ms^(-1) . Find Young's modulus for rubber. Ignore the change in the cross section of the cord in stretching.

A boy has a catapult made of a rubber cord of length 42 cm and diameter 6.0 mm . The boy stretches the cord by 20 cm to catapult a stone of mass 20 g . The stone flies off with a speed of 20 ms^(-1) . Find Young's modulus for rubber. Ignore the change in the cross section of the cord in stretching.

A boy has a catapult made of a rubber cord of length 42 cm and diameter 6.0 mm . The boy stretches the cord by 20 cm to catapult a stone of mass 20 g . The stone flies off with a speed of 20 ms^(-1) . Find Young's modulus for rubber. Ignore the change in the cross section of the cord in streching.

A wire of length 10 m and cross-section are 10^(-6) m^(2) is stretched with a force of 20 N. If the elongation is 1 mm, the Young's modulus of material of the wire will be

A rubber cord of cross sectional area 1mm^(2) and unstretched length 10cm is stretched to 12cm and then released to project a stone of mass 5 gram. If Y for rubber = 5xx10^(8) N//m^(2) , then the tension in the rubber cord is

A mass of 100 grams is attached to the end of a rubber string 49 cm. long and having an area of cross section 20 sq. mm. The string is whirled round, horizontally at a constant speed of 40 r.p.s in a circle of radius 51 cm. Find Young's modulus of rubber.

Work done in stretching a wire of length 1 m and of cross-sectional area 1 mm^(2) through 2 mm if Young's modulus of the material of the wire is 2 xx 10 ^(11) N//m^(2) is .......