An open train car, with a mass of 20102010 kg, coasts along a horizontal track at the speed 2.932.93 m/s. the car passes under a loading chute and, as it does so, gravel falls vertically into it for 2.892.89 s at the rate of 419419 kg/s. what is the car's speed after the loading is completed?

Read the passage: canines may not be the deepest thinkers in the world. but perhaps that's for the best. the life of a dog—sitting alone all day, waiting for everyone to come home—can be pretty boring. super-smart animals would probably get totally stressed out, says university of pennsylvania researcher james serpell. look at it this way: if dogs were any smarter, they probably wouldn't choose to hang around with us. which best describes the tone of the passage?

Start writing a narrative by summarizing thebeginning, middle, and end in the spacesprovided. for this step, tell the events in the orderthey actually happened. use past tense. i get really bad writer's block,

The essay sea stars by barbara hurd. what point is the author making by comparing a sea star missing an arm to a human losing a limb?