A 10-m long steel wire (cross – section 1cm 2 . Young's modulus 2 x 10 11 N/m 2 ) is subjected to a load of 25.000 N . How much will the wire stretch under the load? Select the correct answer. 1.25 cm 0.8 cm 2.25 cm 0.1 cm 12.5 cm.
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A 10-m long steel wire (cross – section 1cm2. Young's modulus 2 x 1011 N/m2) is subjected to a load of 25.000 N . How much will the wire stretch under the load? Select the correct answer.
A uniform beam having a mass of 50 kg and a length of 2.7 m is held in place at its lower end by a pin. Its upper end leans against a vertical frictionless wall as shown in the figure. What is the magnitude of the force the pin exerts on the beam? Select the correct answer.
How large a pressure increase (in ATM ) must be applied to water if it is to be compressed in volume by 3%? The bulk modulus of water is 2 x 109 N/m2 and 1ATM = 105 N/m2 Select the correct answer.
A horizontal meter stick supported at the 50 - cm mark, has a mass of 0.20kg hanging from it at the 10 - cm mark and a 0.20 kg mass hanging from it at the 80 - cm mark. Determine the position on the meter stick at which one would hang a third mass of 0.50 kg to keep the meter stick balanced. Select the correct answer.