Each of the three graphs represents acceleration versus time for an object that already has a positive velocity at time Which graphs show an object whose speed is increasing for the entire time interval between t1 and t2 ?

Question

Each of the three graphs represents acceleration versus time for an object that already has a positive velocity at time Which graphs show an object whose speed is increasing for the entire time interval between t1 and t2 ? (A) graph I, only (B) graphs I and II, only (C) graphs I and III, only (D) graphs I, II, and III

Tardigrade Admin · Accepted Answer

Acceleration is positive in all three graphs, so velocity increases in all three.

Q. Each of the three graphs represents acceleration versus time for an object that already has a positive velocity at time Which graphs show an object whose speed is increasing for the entire time interval between t1​ and t2​ ?

graph I, only

graphs I and II, only

graphs I and III, only

graphs I, II, and III

Acceleration is positive in all three graphs, so velocity increases in all three.

Q. Each of the three graphs represents acceleration versus time for an object that already has a positive velocity at time Which graphs show an object whose speed is increasing for the entire time interval between $t_{1}$ and $t_{2}$ ?