A stone is dropped from the top of a cliff and one second later a second stone is thrown vertically upward with a velocity of 20 m/s. How far below the top of thw cliff will the second stone overtake the first?
Q: Near the end of a marathon race, the first two runners are separated by a distance of 45.0 m. The…
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Q: 1. Near the end of a marathon race, the first two runners are separated by a distance of 45.0 m. The…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
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Q: While standing on a bridge 16.8 m above the ground, you drop a stone from rest. When the stone has…
A: height of the bridge (h) = 16.8 m distance fallen by the first stone = 3.30 m
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Q: A basketball referee tosses the ball straight up for the starting tip-off. At what velocity (in m/s)…
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Q: A ball is thrown vertically upward with a speed of +16.0 m/s. (a) How high does it rise? (b) How…
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A: It is given that, vo=5 m/syo=1.10 myf=0Δy=-1.1 m/sa=-9.8 m/s
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A: Given: initial velocity of the ball, u = 16 m/s initial height of the ball, ho = 1.7 m
Q: Near the end of a marathon race, the first two runners are separated by a distance of 45.0 m. The…
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- A ball is tossed straight up from the ground. If it reaches the height of your bedroom window (2.0 m) and then falls straight back down to the ground, (g= 9.8 m/s?; Ignore air resistance and use at least 2 significant figures.) 1. What was its initial velocity? 2. How long is the ball in the air?Near the end of a marathon race, the first two runners are separated by a distance of 45.6 m. The front runner has a velocity of 3.2 m/s, and the second a velocity of 4.95 m/s. a) What is the velocity of the second runner relative to the first, in meters per second? b) How many seconds earlier will the second runner reach the finish line if the front runner is 250 m from the finish line in seconds? c) What distance ahead, in meters, will the second runner be when she crosses the finish line? please answer all partsWhile standing on a bridge 16.8 m above the ground, you drop a stone from rest. When the stone has fallen 2.80 m, you throw a second stone straight down. What initial velocity must you give the second stone if they are both to reach the ground at the same instant ? Take the downward direction to be the negative direction.
- Two students are on a balcony 19.5 m above the street. One student throws a ball vertically downward at 16.6 m/s; at the same instant the other student throws a ball vertically upward at the same speed. The second ball just misses the balcony on the way down. (a) What is the difference in their time in air? (b) What is the velocity of each ball as it strikes the ground? (c) How far apart are the balls 0.900 s after they are thrown?A cargo helicopter, descending steadily at a speed of 3.9 m/s, releases a small package. Let upward be the positive direction for this problem. (a) If the package is 26 m above the ground when it is dropped, how long (in s) does it take for the package to reach the groundA rubber ball is shot straight up from the ground at 5.40 m/s. A second rubber ball is simultaneously dropped from rest 1.91 m above the ground. How high above the ground are the balls when they collide?
- defenders throw rocks straight down on their attackers from a 15-m-high wall, with initial speed 10 m/s. How much faster are the rocks moving when they hit the ground than if they were simply dropped?A juggler usually throws balls vertically upwards to a certain height. How high should the balls be thrown in order to spend double the time in the air?A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with a velocity of 3.00 m/s, and her takeoff point is 1.30 m above the pool.(a) How long are her feet in the air? s(b) What is her highest point above the board? m(c) What is her velocity when her feet hit the water? m/s
- A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with a velocity of 4.00 m/ s, and her takeoff point is 1.80 m above the pool. (a) How long are her feet in the air? (b) What is her highest point above the board? (c) What is her velocity when her feet hit the water?A basketball referee tosses the ball straight up for the starting tip-off. What is the minimum velocity that the basketball player must jump in order to rise 1.50 m above the floor and reach the ball?A young child uses a slingshot to launch a rock straight up at a speed of 12 m/s and then catches it at the point from where he launched it. What is the maximum height that the rock reaches?