2. En el planeta Mercurio, la aceleración producida por la gravedad es
3.7 m/s?. ¿Cuál sería la masa de una persona que pesa 637 N en Mercurio?
A. 65 kg
B. 6.5 kg
C. 637 kg
D. 63.7 kg

For a particular reaction, ? h = -144.6 kj and ? s = -301.2 j/k. calculate ? g for this reaction at 298 k.

Awave travels at a speed of 5.2 m/s. if the distance between crests is 0.40 m, what is the frequency of the wave? use f=v/wavelength a. 13 hz b. 2.1 hz c. 0.077 hz d. 5.6 hz

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?