Author Question: The velocity v(t) of a particle as a function of time is given by v(t) = (2.3 m/s) + (4.1 m/s2)t - ... (Read 27 times)

laurencescou · **on:** Jul 29, 2018

The velocity v(t) of a particle as a function of time is given by v(t) = (2.3 m/s) + (4.1 m/s2)t - (6.2 m/s3)t2. What is the average acceleration of the particle between t = 1.0 s and t = 2.0 s?

A) -15 m/s2 B) 0 m/s2 C) 13 m/s2 D) 15 m/s2 E) -13 m/s2

Question 2

Most of the following energy resources provide useful energy in the United States today. Which one does not?

A) direct solar
B) geothermal
C) nuclear fusion
D) biomass
E) nuclear fission