Aforce
f acts in the x - direction, its magnitude given by f = ax^2, where x is in meters and a =5.0n/m^2
. find the work done by this force as it acts on a particle moving from x = 0 to x = 6.0 m.

Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.

If steel is more dense that lake water, why can a boat float

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?