John's truck has more mass than his brother thomas' truck. john's truck has less inertia will accelerate more quickly needs more force to move is 100 percent efficient

John's truck has more mass than his brother Thomas' truck.

John's truck  has more inertia  than Thomas' truck.

If both trucks get equal force, John's truck will accelerate more slowly than Thomas' truck.

John's truck needs more force to accelerate.

If both trucks are just sitting there, John's truck needs more force to start moving.

We don't know anything about the efficiency of either truck.  Or the efficiency of either brother, for that matter.

uranium fissions/breaks up giving out energy and neutrons

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer