An object, accelerating from rest at a constant rate, travels over 28 m in 11 s. What is its final velocity? 1.81 m/s

3.20 m/s

5.09 m/s

0.00 m/s

none of the above

What can change the speed of sound as it travels through the ocean? a. salinity only b. density and salinity c. salinity and distance from land d. density and distance from land

Ethical, legislative, social initiative is the agency responsible for

An experiment was performed on a 2-kg block. forces of 5, 10 and 15 newtons respectively were applied to the block for 5 seconds. describe the difference in acceleration between the three trials. a) the final accelerations will all be the same. b) the final acceleration will triple between the first and third trial. c) the final acceleration will be cut by 1/3 from the first to third trial. d) the final acceleration will increase nine time between the first and third trial.