If an object accelerates from rest, what will its velocity be after 11.5 s if it has a constant acceleration of 2.5 m/s2?

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

Aboy with a mass 25 kg climbs into a small tree. he sits on a branch that is 2.o m above to the ground. what is his gravitational potential energy above the ground?