Is a durable metal and is widely used for casting, which is a process by which melted metal is poured into a mold.
a. bronze
c. copper
b. silver
d. gold user: special effects could include all of the following, except which?
a. fires or explosions
c. elaborate costumes
b. computerized deletes (ex: wires)
d. color correction

Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.

In a good thermo flask the main cause of heat loss is

An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 ˚f and standard atmospheric pressure, what is the value of the mach number?