Two squirrels are chasing each other in a tall, straight pine tree. The squirrels are running...
Two squirrels are chasing each other in a tall, straight pine tree. The squirrels are running in a spiraling motion up the tree. The rate of their vertical climb is ??#. Their distance from the center of the tree at time t is ? + ??. The angular rate that they go around the tree is ?? + ??#. What is the speed of the squirrels at time t?
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Two squirrels are chasing each other in a tall, straight pine
tree. The squirrels are running...
4. Encouraged by the success that they had with running down the mayor and other humans...
4. Encouraged by the success that they had with running down the mayor and other humans who were pestering their friend Phil the groundhog, the squirrels have realized that they can use their flywheel powered car to protect themselves from some dogs that have been chasing them around the park. The squirrels are sitting on their car one day, when a really furry Sheepdog named "Sir Fluffs-a-lot" sees them. Sir Fluffs-a-lot is 50 meters away, and starts running towards the...
Help with 4 all. Some chipmunks are running back and forth along a tree branch. One...
Help with 4 all.
Some chipmunks are running back and forth along a tree branch. One chipmunk is at rest at t = 0 s and starts running to the right. It speeds up to a speed of 1.5 m/s in 3 s. How far does it run in this time? Another chipmunk starts from rest and runs to the left. It speeds up to a speed of 2.1 m/s in 3.2 s. It then slows to a stop in...
Two children (m = 33.0 kg each) stand opposite each other on the edge of a...
Two children (m = 33.0 kg each) stand opposite each other on the edge of a merry-go-round. The merry-go-round, which has a mass of 1.78 ✕ 102 kg and a radius of 1.4 m, is spinning at a constant rate of 0.42 rev/s. Treat the two children and the merry-go-round as a system. (a) Calculate the angular momentum of the system, treating each child as a particle. (Give the magnitude.) (b) Calculate the total kinetic energy of the system. (c)...
Two children (m = 26.0 kg each) stand opposite each other on the edge of a...
Two children (m = 26.0 kg each) stand opposite each other on the edge of a merry-go-round. The merry-go-round, which has a mass of 1.66 ✕ 102 kg and a radius of 1.4 m, is spinning at a constant rate of 0.44 rev/s. Treat the two children and the merry-go-round as a system. (a) Calculate the angular momentum of the system, treating each child as a particle. (Give the magnitude.) kg · m2/s (b) Calculate the total kinetic energy of...
A marching band consists of rows of musicians walking in straight, even lines. When a marching band performs in an even...
A marching band consists of rows of musicians walking in straight, even lines. When a marching band performs in an event, such as a parade, and must round a curve in the road, the musician on the outside of the curve must walk around the curve in the same amount of time as the musician on the inside of the curve. This motion can be approximated by a disk rotating at a constant rate about an axis perpendicular to its...
You throw a rock straight up and it returns to your hand with the samc vertical...
You throw a rock straight up and it returns to your hand with the samc vertical speed you gave it. Up is positive and down is negative. Distance is measured from your hand a. Draw the rock's position vs. time graph on the left-hand axes b. Draw the rock's velocity vs. time graph on the middle axes c. Draw the rock's acceleration vs. time graph on the right-hand axes. 4. The motion of a train traveling on a straight track...
If you have two children on a merry-go-round they sit next to each other but one...
If you have two children on a merry-go-round they sit next to each other but one child sits on a horse closer to the center of the ride, whilst the other sit on an outside horse, which of the fallowing to the children have in common (select all right answers)? A. Angular Acceleration B. Angular Velocity C. Linear Acceleration D. Linear Velocity E. Distance Traveled F. Tangental Acceleration G. Tangental Velocity
You are walking down a straight path in a park and notice there is another person...
You are walking down a straight path in a park and notice there is another person walking some distance ahead of you. The distance between the two of you remains the same, so you deduce that you are walking at the same speed of 1.17 m/s. Suddenly, you notice a wallet on the ground. You pick it up and realize it belongs to the person in front of you. To catch up, you start running at a speed of 2.75...
How High does the other piece go? Where does the other piece land? 5. A projectile...
How High does the other piece go? Where does the other piece
land?
5. A projectile is launched with speed vo at an angle of 0 with respect to the horizontal. At the peak of its motion, it explodes into two pieces of equal mass, which continue to move in the original plane of motion. One piece strikes the ground a horizontal distance D further from the launch point than the point directly below the explosion at a time t...
please explain the answers. 8) I was a scout when I was a young boy. Each...
please explain the answers.
8) I was a scout when I was a young boy. Each year the scouts would participate in the pine wood derby (look up pine wood derby if don't know what that is). In the pine would derby you build a toy car out of a block of pine wood. Each scout then races their car in a competition, by letting their car go down a ramp. The rules of the pine wood derby dictate that...
4. Encouraged by the success that they had with running down the mayor and other humans who were pestering their friend Phil the groundhog, the squirrels have realized that they can use their flywheel powered car to protect themselves from some dogs that have been chasing them around the park. The squirrels are sitting on their car one day, when a really furry Sheepdog named "Sir Fluffs-a-lot" sees them. Sir Fluffs-a-lot is 50 meters away, and starts running towards the...
Help with 4 all.
Some chipmunks are running back and forth along a tree branch. One chipmunk is at rest at t = 0 s and starts running to the right. It speeds up to a speed of 1.5 m/s in 3 s. How far does it run in this time? Another chipmunk starts from rest and runs to the left. It speeds up to a speed of 2.1 m/s in 3.2 s. It then slows to a stop in...
You throw a rock straight up and it returns to your hand with the samc vertical speed you gave it. Up is positive and down is negative. Distance is measured from your hand a. Draw the rock's position vs. time graph on the left-hand axes b. Draw the rock's velocity vs. time graph on the middle axes c. Draw the rock's acceleration vs. time graph on the right-hand axes. 4. The motion of a train traveling on a straight track...
You are walking down a straight path in a park and notice there is another person walking some distance ahead of you. The distance between the two of you remains the same, so you deduce that you are walking at the same speed of 1.17 m/s. Suddenly, you notice a wallet on the ground. You pick it up and realize it belongs to the person in front of you. To catch up, you start running at a speed of 2.75...
How High does the other piece go? Where does the other piece
land?
5. A projectile is launched with speed vo at an angle of 0 with respect to the horizontal. At the peak of its motion, it explodes into two pieces of equal mass, which continue to move in the original plane of motion. One piece strikes the ground a horizontal distance D further from the launch point than the point directly below the explosion at a time t...
please explain the answers.
8) I was a scout when I was a young boy. Each year the scouts would participate in the pine wood derby (look up pine wood derby if don't know what that is). In the pine would derby you build a toy car out of a block of pine wood. Each scout then races their car in a competition, by letting their car go down a ramp. The rules of the pine wood derby dictate that...
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