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Part A If you want to make a "tighter turn- that is, turn in a circle...
I need help with this question! 1. A car turning in a circle is acceleratring in the centripetal direction, even if the speed is constant. This centripetal acceleration is the cause of a radially inward directed net force. On a level road this net force is the friction force acting from the road on the tires. You already looked at examples for this. On racetracks and also highway turns the reliance on friction can be reduced by "banking" the road....
Please show all steps in detail. Thanks a ton! Whirl the ball on a string in a horizontal circle, being.Whirl the ball again in a horizontal circle. Reduce the radius r of the circle to about 2 r by pulling or careful not to hit anybody with it. Try to maintain the the string hanging below your hand. What all at constant speed. You will find it useful to run happened to the speed of the ball? Did you notice...
You need to bend the path of a beam of electrons by 90° for an experiment, so you make a loop of 2. current with N turns and a radius of 15 cm to do it. In order for the electrons to turn by 90°, they have to follow a circular path with the same radius as the loop of wire. 0 (10 points) If the electrons are traveling at 5% the speed of light, how strong does the magnetic...
Conceptual Question 6.14 Playground swings move through an arc of a circle. Part A When you are on a swing, and at the lowest point of your motion, is your apparent weight greater than, less than, or equal to your true weight? Explain Drag the terms on the left to the appropriate blanks on the right to complete the sentences. In circular motion there must be a centripetal force directed the center. At the bottom of the swing trajectory we...
need help with Part B Questur 12 This question contains multiple parts. Make sure to read all the instructions and answer each part. Tarzan plans to cross a gorge by swinging in an arc from a hanging vine. His massis 87.3kg and the vine is 4.09m long. Image size: ML Max (1 points) Parta If his arms are capable of exerting a force of 1400 N on the rope, what is the maximum speed he can tolerate at the lowest...
A uniform magnetic field points directly into your paper (make a sketch). A 7 turn coil of wire with a radius of 14.2 cm lies in the plane of the paper. Over a period of 0.00035 seconds, the field is increased from 0.300 T to 1.10 T. How much emf is induced in the coil while B is changing? A-0.12 volts B- 0.91 volts C-28 volts D- 16,000 volts E- 250 volts Which way is the induced emf (or induced...
In 2014, Damian Walters demonstrated that he could run through a vertical loop (after a lot of failed attempts). What minimum running speed did he need to do it? Assume the loop has a radius of 1.96 m, that Damian's mass is 76.5 kg, that he stays in contact with the loop at all times, and (unrealistically) that you can neglect friction and drag forces. Also, keep in mind that it's Damian's center of mass that matters, which is approximately...
Density of Planets and Moons Lab Objectives: In this lab you will learn: Part 1 – What density is, and how to experimentally determine it Part 2 – To calculate various physical quantities for the planet Mercury Part 3 – Group major solar system bodies by density Part 1. DENSITY Definition – Density =mass / volume. Symbolically, we write this as , where 1) ρ (the Greek letter “rho”) is the density, 2) m is mass, and 3) V is...
please Solve part D and E!!!!! PLEASE AND THANK YOU acc1 Our discussion of the Bohr model of the hydrogen atom was non-relativistic throughout, which was justified because the velocity of the electron in the nth state of Bohr's hydrogen atom was v= (1) 1377 where a = 1 is the fine-structure constant, and qe is the electron charge, ħ is (the reduced) Planck's constant, and c is the speed of light. Clearly, as n grows, the speed does become...
please can you make your hand writing clear, i really wanna undestand how to get to the answer thank you 21. Anakin drives around a curve with a box of lightsabers in the trunk of his car. The radius of the curve is 50 m and the speed of the car is 15 m/s. If the box is to remain stationary as the car goes around the curve, what must be the minimum coefficient of friction between the box and...