When the mass is removed, the length of the cable is found to be l0 = 4.76 m. After the mass is added, the length is remeasured and found to be l1 = 5.43 m. Determine Young's Modulus Y in N/m2 for the steel cable if the weight has a mass m = 35 kg and the cable has a radius r = 0.025 m.

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.

Frequency of electromagnetic waves that a radio station is assigned is called

Which planet do you think would be easiest for humans to colonize some day?