Se debe elevar una camioneta 10mts desde un puerto a un barco, la misma pesa 2500kg y la altura de izaje es 15m, calcular el trabajo y la energía medidas en Kgm y Joule.

Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more

Ahowler monkey is the loudest land animal and, under some circumstances, can be heard up to a distance of 4.6 km. assume the acoustic output of a howler to be uniform in all directions and that the threshold of hearing is 1.0 × 10-12 w/m2. what is the acoustic power emitted by the howler

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.