Paleontologists have discovered fossils of related fish
species that evolved into land animals. The images are
artistic representations of these creatures.
The most recent is Pederpes at the bottom.
Use your knowledge of developmental changes to
order the fish from earliest to most recent. Choose the
correct order from the drop-down menu.
3, 2, 4, 1
2, 3, 1,4
4, 2, 1,3
1, 2, 3, 4
Done

Aparticle travels in a circular orbit of radius 21 m. its speed is changing at a rate of 23.1 m/s2 at an instant when its speed is 37.2 m/s. what is the magnitude of the acceleration (in m/s? ) of the particle?

10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!

Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?