Which galaxy does not have a distinctive shape? a. a clustered galaxy b. an elliptical galaxy c. a barred-spiral galaxy d. an irregular galaxy

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

What stress will shift the following equilibrium system to the left? n2(g) + 3h2(g) ⇌ 2nh3(g) adding more n2(g) adding more nh3(g) increasing the pressure of the system reducing the volume of the container

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j