1. Una fuerza neta de 2500 N actúa sobre un elefante macho africano que tiene una masa de 7000 kg. ¿Cuál es la aceleración del elefante macho
africano?
A. O 0.22 m/s2
B. O 0.25 m/s2
C. O 0.30 m/s2
D. O 0.36 m/s2

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

The unit of resistivity is the: ohm ohm-cm volt coulomb