anonymous
  • anonymous
In the second video lecture there's an example about the pumpkin drop and I'm a little confused. First, where did he get the 5t^2? Is he rounding the constant for acceleration due to gravity? Second, when he says "speed" does he mean velocity? I got a little confused because speed is usually defined as the absolute value of velocity, but he wrote Avg Speed = -20m/s. I just want to make sure I know what lingo is being used.
MIT 18.01 Single Variable Calculus (OCW)
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
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anonymous
  • anonymous
I haven't seen this video but you are correct: speed=lvl>0. And yes the assumption would be that g is approx 10 so 1/2g=5
anonymous
  • anonymous
Ok, thanks, I just wasn't sure because in every calc and physics class I've ever had we've used g=9.8, and my teachers were always really big sticklers about when you use the term speed versus velocity. And this being MIT, I figured that they would be even more intense than where I was, so I started to question if I was actually remembering correctly.

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