Even though animals can communicate with each other to a limited extent, no animal can express itself through:

A : motions

B : noises

C : speech

D : instinct

Determina el trabajo realizado al desplazar un bloque 3 m sobre una superficie horizontal, si se desprecia la fricción y la fuerza aplicada tiene una magnitud de 25 N.

How do I write 2/10 as a decimal

A light ray is incident on a reflecting surface. If the light ray makes a "35°" angle with respect to the normal to the surface, what is the exact angle (in degrees) made by the reflected ray relative to the normal?

6 (8n - 1) = - 6 + 5n

Does centripetal force change in uniform circular motion?

How many (whole number of) 77 kg people can safely occupy an elevator that can hold a maximum mass of exactly 1 metric ton? A metric ton is 1.000 * 103 kg. Answer in units of people

Balanced forces do not change the motion of an object

Maritime climates can be expected in the middle of large continents. True False

Why do scientists think that our solar system must have formed sometime after nearby supernovae explosions?

A professor sits on a rotating stool that is spinning at 10.0 rpm while she holds a heavy weight in each of her hands. Her outstretched hands are 0.785 m from the axis of rotation, which passes through her head into the center of the stool.