Determine whether each statement addresses an object's speed or its velocity.
Speed
Velocity
The school record for the 100-
meter dash is 12 m/s.
We are experiencing 20 mi/h
winds from the southeast today.
The 1670 kg car was traveling
west at 75 mi/h when it crashed.
The driver got a ticket for
traveling 15 mi/h over the speed
limit.
Results
The runner jogged 1 mile north
and mile east in 12 minutes.

Stion 13 of 20 : select the best answer for the question. 13. if a certain mass of mercury has a volume of 0.002 m3 at a temperature of 20°c, what will be the volume at 50°c? a. 0.002021624 m3 b. 0.004021624 m3 c. 0.000010812 m3 d. 0.002010812 m3

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

What is meant by the statement" the melting poin of glycerine is 13 degree celsius