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5) A pen falls off my desk. It took 1.5 seconds to fall. What was the velocity of the pen just before it hit the
5) A pen falls off my desk. It took 1.5 seconds to fall. What was the velocity of the pen just before it hit the ground? 6) I get angry and throw a pen straight down to the floor. I throw it with an initial speed of 20 m/s. It took 0.2 seconds to fall. What is the velocity of the pen just before it hit the floor? 7) You are standing at the edge of a cliff which is 40m tall. You throw an apple up with a speed of 15 m/s. How long does it take to fall to the bottom of the cliff? Challenge Problems [Honors] (The test will have 2 challenge problems) 1) A car starts from rest and travels for 10 seconds with a constant acceleration of 3 m/s2. The driver then applies the brakes, causing a constant negative acceleration of - 4m/s2. Assuming the brakes are applied for 2 seconds. A) How fast is the car going at the end of the braking? B) How far has the car gone in these 12 seconds? (2bnoose 2 101 2\\m S.8 to noits isloops defenon s eyevilub onians ati bos 1201 mont bardonbel ei Jesoon Ibom A (2 10 bee sri is miH) tie orloff qu indaisite bedonus esw Josdon grit gnimuezA .qu beeu al lout art birdwristis (Jeslong waiver Sou bozu al levi. and sono aniog delaon aids al dest woll (A Jason arlf yd bordosen sbutfils mumixer er brai (A 2) A ball is thrown straight up into the air and passes a window 3 seconds after being released. It passes the same window on its way back down 1.5 seconds later. What was the initial velocity of the ball? (Hint at the end of review packet) I you see. oq lenit smea ardi ave 3) A jogger with a constant velocity of 4 m/s runs by a stationary dog. One second after passing the dog, the do decides to chase the jogger. The dog accelerates from rest at 1.5 m/s2. (Hint at the end of review packet)
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