At a concert, a rockstar with entirely too much money swings their guitar at the ground. Starting from rest, the guitar travels 1.25 m to the ground in 0.45 s, accelerating constantly the whole time (the guitar is held by the rockstar through the whole swing, so that the guitar is not in free-fall). What is the acceleration of the guitar?

At a concert, a rockstar with entirely too much money swings their guitar at the ground. Starting from rest, the guitar travels 1.25 m to the ground in 0.45 s, accelerating constantly the whole time (the guitar is held by the rockstar through the whole swing, so that the guitar is not in free-fall). What is the acceleration of the guitar?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 28P: In a classic clip on Americas Funniest Home Videos, a sleeping cat rolls gently off the top of a...

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At a concert, a rockstar with entirely too much money swings their guitar at the ground. Starting from rest, the guitar travels 1.25 m to the ground in 0.45 s, accelerating constantly the whole time (the guitar is held by the rockstar through the whole swing, so that the guitar is not in free-fall). What is the acceleration of the guitar?

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At a concert, a rockstar with entirely too much money swings their guitar at the ground. Starting from rest, the guitar travels 1.25 m to the ground in 0.45 s, accelerating constantly the whole time (the guitar is held by the rockstar through the whole swing, so that the guitar is not in free-fall). How fast is the guitar moving just before hitting the ground?
Falcons are excellent fliers that can reach very high speeds by diving nearly straight down. To pull out of such a dive, a falcon extends its wings and flies through a circular arc that redirects its motion. The forces on the falcon that control its motion are its weight and an upward lift force—like an airplane—due to the air flowing over its wings. At the bottom of the arc, as shown, a falcon can easily achieve an acceleration of 15 m/s2. At the bottom of the arc, as shown, what is the direction of the net force on the falcon?A. To the left, opposite the motionB. To the right, in the direction of the motionC. UpD. DownE. The net force is zero.
Falcons are excellent fliers that can reach very high speeds by diving nearly straight down. To pull out of such a dive, a falcon extends its wings and flies through a circular arc that redirects its motion. The forces on the falcon that control its motion are its weight and an upward lift force—like an airplane—due to the air flowing over its wings. At the bottom of the arc, as shown, a falcon can easily achieve an acceleration of 15 m/s2. A falcon starts from rest, does a free-fall dive from a height of 30 m, and then pulls out by flying in a circular arc of radius 50 m. Which segment of the motion has a higher acceleration?A. The free-fall diveB. The circular arcC. The two accelerations are equal.
Falcons are excellent fliers that can reach very high speeds by diving nearly straight down. To pull out of such a dive, a falcon extends its wings and flies through a circular arc that redirects its motion. The forces on the falcon that control its motion are its weight and an upward lift force—like an airplane—due to the air flowing over its wings. At the bottom of the arc, as shown, a falcon can easily achieve an acceleration of 15 m/s2. Suppose the falcon weighs 8.0 N and is turning with an acceleration of 15 m/s2 at the lowest point of the arc. What is the magnitude of the upward lift force at this instant?A. 8.0 N B. 12 NC. 16 N D. 20 N
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Some students are making a domino cascade for a fair project and want to use a ball rolling up and then down an incline in one part of it. The timing has to be very precise so they need to know exactly how long it will take the ball to go up and down. They have measured the acceleration of the ball on the incline to be a = 2.50 m/s². = = 1.10 m up = (A) The ball passes point B at to 0, rolls up to C which is a distance of dBc hill, then down to A, which is a distance dca 1.80 m downhill from C. How long will it take from start to finish? A B = C
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Different animals have very different capacities for running. A horse can maintain a top speed of 20 m/s for a long distance but has a maximum acceleration of only 6.0 m/s2, half what a good human sprinter can achieve with a block to push against. Greyhounds, dogs especially bred for feats of running, have a top speed of 17 m/s, but their acceleration is much greater than that of the horse. Greyhounds are particularly adept at turning corners at a run. If a horse starts from rest and accelerates at the maximum value until reaching its top speed, how far does it run, to the nearest 10 m?A. 40 m B. 30 mC. 20 m D. 10 m
A spacecraft exploring a distant planet releases from rest a probe to explore the planet's surface. The probe falls freely a distance of 76.5 meters during the first 4.4 seconds after its release. What is the acceleration due to gravity on this planet?
A golf ball falls from rest. Assume the free-fall acceleration g = 9.80 m/s2. Ignore air resistance. How long does it take for the golf ball to fall from rest for a distance of 23.6 m?
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