A7.1 kg watermelon is placed at one end of a 4.8 m, 260 n scaffolding supported by two cables. one supporting cable is at the opposite end of the scaffolding, and the other is 0.53 m from the watermelon. how much tension is in the cable at the end of the scaffolding? the acceleration of gravity is 9.8 m/s 2 . answer in units of n

What is the single most important equation in all of physics?

An object with a mass of 1.5 kg changes its velocity from + 15 m/s to +22 m/s during a time interval of 3.5 seconds. what impulse was delivered to the objects?

First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.