Slingshot (Hooke's Law)
Assuming that air drag is negligible, how high will the pebble goif you pull it back 5.00
How far must you pull it back so it will reach 13.0
If you pull a pebble that is twice as heavy back4.00
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A slingshot obeying Hooke’s law is used to launch pebbles vertically into the air. You observe...
A slingshot obeying Hooke’s law is used to launch pebbles vertically into the air. You observe that if you pull a pebble back 11.2 cm against the elastic band, the pebble goes 5.7 m high. A)Assuming that air drag is negligible, how high will the pebble go if you pull it back 22.4 cm instead? B)How far must you pull it back so it will reach 11.4 m ? C)If you pull a pebble that is twice as heavy back...
Part A: A spring obeying Hooke's law has a spring constant of 1.9 N/m. If you...
Part A: A spring obeying Hooke's law has a spring constant of 1.9 N/m. If you load it with 2.2 kg (about 1 pound mass) and let Earth's gravity pull down on it, how far will it extend from its previous length? Give your answer in meters. Use 9.8 m/s2 for the acceleration of gravity. Part B: What is the velocity of a wave of any kind that has a frequency 691 Hz and a wavelength 8 meters? Give your...
An 80.0 kg bungee jumper drops from rest off a bridge that is 200.0 m above...
An 80.0 kg bungee jumper drops from rest off a bridge that is 200.0 m above a river. As he falls, air resistance is negligible, and the unstretched bungee cord attached to him uncoils. The mass of the bungee cord is negligible. When the jumper is 50.0 m below the bridge, the bungee cord is completely uncoiled and forms a straight line. Below that point, the bungee cord acts as a spring, obeying Hooke's law as it is stretched beyond...
A spring is found to not obey Hooke's law. It exerts a restoring force F(x) =-ax-...
A spring is found to not obey Hooke's law. It exerts a restoring force F(x) =-ax- 2 N if it stretched or compressed, where α = 60 N/m and β 18.0 Nm2/3. The mass of the spring is negligible. (a) Calculate the work function W(x) for the spring. Let U=0 when x=0. (b) An object of mass 0.900 kg on a horizontal surface is attached to this spring. The surface provides a friction force that is dependent on distance Fr(x)2x2...
I need help on the second picture. they did not give us a air drag coeffient
i need help on the second picture.
they did not give us a air drag coeffient
Physics 220 by David Michaels Lab 8 Instructor's Initials Activity 8.1 Score Potential to Work to Reach Great Heights Part I In this activity you are to use the same spring launcher or Nerfo gun you used in Lab 4 (check your Lab 4.1 for which one you used) to analyze energy conservation in various forms Let's assume the launching mechanism of the Nerfo...
please solve part c with conservation of energy instead of forces thank you thank you :)...
please solve part c with
conservation of energy instead of forces thank you thank you :)
The top end of a spring is attached to a stationary point; a m 2 kg mass hangs from the bottom end. It has spring constant k 200 N/m; the mass is at rest. You may give your answers ei numerically or in terms of m, k, and g. ) Hou far belou the spring's equilbrium point does the mass hang? (10 points) Then,...
(1 point) An elastic bone is compressed 10 μm by a student's weight. The student picks...
(1 point) An elastic bone is compressed 10 μm by a student's weight. The student picks up a very heavy backpack and the sam e bone compressed by an extra 5 um. (a) How many times heavier or lighter is the student than her backpack? mstudent 1.5 (b) How much more potential energy is stored in the compressed bone with the backpack on than without? withPack4 mbackpack (1 point) Two bananas have very similar shapes, but one is "twice as...
Please include the concept and the law of the question, thank you. Problem# 5 ground? d) Provide a final drawing with all the vectors Problem5 A child throws a ball with an initial speed of 8....
Please include the concept and the law of the
question, thank you.
Problem# 5
ground? d) Provide a final drawing with all the vectors Problem5 A child throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. The ball leaves her hand 1.00 m above the ground and experience negligible air resistance. (a) How far from where the child is standing does the ball hit the ground? (b) How long is the...
Newton’s Cannon Imagine you fired a cannonball such that the range of that ball was slightly...
Newton’s Cannon Imagine you fired a cannonball such that the range of that ball was slightly longer than the radius of the Earth. As that ball fell back down, it would miss the ground and continue to fall. If we can ignore any air resistance or collisions with other objects, then we can say the ball would continue to fall forever, just missing the ground, and thus be in orbit. Assume all orbits here are perfectly circular and pretend that...
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An 80.0 kg bungee jumper drops from rest off a bridge that is 200.0 m above a river. As he falls, air resistance is negligible, and the unstretched bungee cord attached to him uncoils. The mass of the bungee cord is negligible. When the jumper is 50.0 m below the bridge, the bungee cord is completely uncoiled and forms a straight line. Below that point, the bungee cord acts as a spring, obeying Hooke's law as it is stretched beyond...
A spring is found to not obey Hooke's law. It exerts a restoring force F(x) =-ax- 2 N if it stretched or compressed, where α = 60 N/m and β 18.0 Nm2/3. The mass of the spring is negligible. (a) Calculate the work function W(x) for the spring. Let U=0 when x=0. (b) An object of mass 0.900 kg on a horizontal surface is attached to this spring. The surface provides a friction force that is dependent on distance Fr(x)2x2...
i need help on the second picture.
they did not give us a air drag coeffient
Physics 220 by David Michaels Lab 8 Instructor's Initials Activity 8.1 Score Potential to Work to Reach Great Heights Part I In this activity you are to use the same spring launcher or Nerfo gun you used in Lab 4 (check your Lab 4.1 for which one you used) to analyze energy conservation in various forms Let's assume the launching mechanism of the Nerfo...
please solve part c with
conservation of energy instead of forces thank you thank you :)
The top end of a spring is attached to a stationary point; a m 2 kg mass hangs from the bottom end. It has spring constant k 200 N/m; the mass is at rest. You may give your answers ei numerically or in terms of m, k, and g. ) Hou far belou the spring's equilbrium point does the mass hang? (10 points) Then,...
(1 point) An elastic bone is compressed 10 μm by a student's weight. The student picks up a very heavy backpack and the sam e bone compressed by an extra 5 um. (a) How many times heavier or lighter is the student than her backpack? mstudent 1.5 (b) How much more potential energy is stored in the compressed bone with the backpack on than without? withPack4 mbackpack (1 point) Two bananas have very similar shapes, but one is "twice as...
Please include the concept and the law of the
question, thank you.
Problem# 5
ground? d) Provide a final drawing with all the vectors Problem5 A child throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. The ball leaves her hand 1.00 m above the ground and experience negligible air resistance. (a) How far from where the child is standing does the ball hit the ground? (b) How long is the...
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