4. Collecting the sun's energy with solar panels, heating water with that energy, and storing the heated water to use the energy later. dont know what this is its for a cross word in physical science and it starts with an a

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?

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?

What is the technical name for super glue type adhesives?