Un automóvil acelera de 0 a 140 km/h en 9.8 segundos, determina su aceleración

Alarge box of mass m is pulled across a horizontal frictionless surface by a horizontal rope with tension t. a small box of mass m sits on top of the large box. the coefficients of static and

Many stereo speaker cables are made of copper wire surrounded by rubber. the electricity travels down the copper portion of the cable while the rubber protects you from being "zapped" by the electricity. which physical property explains the difference in ability of copper and rubber to transmit electricity?

Calculate the binding energy per nucleon (in j) for 3he and 4he. the atomic masses are 3.016029 u for 3he, and 4.002603 u for 4he. (enter unrounded values. assume that the mass of 11h = 1.007825 u, mp = 1.007275 u, mn = 1.008666 u, and me = 0.000549 u, respectively.)