A log has a length of 1.0 m, a radius of 0.5 m, and a mass of 50 kg. If the density of water is 1.0 g/cm3, how much is the minimum amount of mass that must be added in order to cause the log to sink? a.
690 kg
c.
780 kg
b.
740 kg
d.
810 kg

Ared apple is illuminated by a blue light the apple will appear

During which interval are the persons represented by the graph not moving? a) 0 to 0.5 hrs b) 1.5 to 2 hrs c) 2 to 2.5 hrs d) 4.5 to 5 hrs

The astronauts on the space shuttle flights experienced an acceleration of 29 m/s2 (about 3 "g's") during lift-off. what upward force must the astronaut's seat apply to the astronaut in order to cause this acceleration? assume the astronaut's mass is 70 kg, and compute this force when the acceleration is near the earth's surface so their weight equals latex: mg m g .