What is the resistance of a second wire

Assignment Help Physics
Reference no: EM13650079

A certain wire has a resistance of 140 Ω. What is the resistance of a second wire, made of the same material, that is 1/3 as long and has 1/5 the diameter? (answer in ohms)

Reference no: EM13650079

Questions Cloud

Coeffiecent of kinetic friction between the box and floor : Charles drags a box of mass 70kg across a floor at constant speed, using a massless horizontal rope, the coeffiecent of kinetic friction between the box and the floor is0.4.
Dilute ionized gas of earths ionosphere : As a space shuttle moves through the dilute ionized gas of Earth's ionosphere, the shuttle's potential is typically changed by-1.0 V during one revolution. Assuming the shuttle is a conducting sphere of radius 8.0 m, estimate the amount of charge ..
What is the final velocity of the two pucks : In any collision, if we find thatmomentum is NOT conserved, it must mean that. A puck slides with initial velocity 2.0 m/s on a frictionless surface and collides (head-on)inelastically with an identical puckat rest. The pucks stick together after t..
Centripet alacceleration of the space shuttle in its orbit : Suppose the space shuttle is in orbit 320km from the Earth's surface, and circles the Earth about once every90.9 minutes. Find the centripetal acceleration of the space shuttle in its orbit. Express your answerin terms of g, the gravitational acceler..
What is the resistance of a second wire : A certain wire has a resistance of 140 Ω. What is the resistance of a second wire, made of the same material, that is 1/3 as long and has 1/5 the diameter? (answer in ohms)
Electron speed just before the electron strikes the screen : In a television picture tube, electrons strike the screen after being accelerated from rest through a potential difference of 33000V. The speeds of the electrons are quite large, and for accurate calculations of the speeds, the effects of special ..
How much steam must be mixed with water : How much steam must be mixedwith 300.g of water in 155 g aluminum calorimeter initially at 20.0degrees c to obtain a final temp of 80.0 degrees c ?  CAl = 0.215 cal/gC° CW = 1.00 cal/gC° Lf= 79.6cal/g Lv = 540 cal/g
Gravitational potential energy of the marble-earth system : A 5.1 g marble is fired vertically upwardusing a spring gun. The spring must be compressed 8.0 cm if themarble is to just reach a target 13 mabove the marble's position on the compressed spring.
Two waves of equal amplitude a meet on a string : Two waves of equal amplitude A meet on a string and make a new wave of amplitude 1.5A. what is the smallest relative phase between the waves to make this possible?

Reviews

Write a Review

 

Physics Questions & Answers

  Find the pressure at the bottom of the water layer

What is the least thickness of a soap bubble film (n = 1.38) on which light of wave length 610nm shines, assuming one observes constructive interference of the reflected light.

  Find out the maximum altitude reached by the rocket

A rocket is launched at an angle of 59° above the horizontal with an initial speed of 97 m/s. The rocket moves for 3s along its initial line of motion with an acceleration of 28m/s2.

  What is the initial value of the angular velocity

A child is pushing a merry-go-round. The angle through which the merry-go-round has turned varies with time according to ?(t)=?t+?t3, What is the initial value of the angular velocity

  Crate is lowered to the ground by a helicopter

A 325 kg crate is lowered to the ground by a helicopter. Its fastened to the end of the vertical cable which has a tension of 3500N. Is the crate speeding up, slowing down, or descending at a constant speed? Show your work

  What is the normal force acting on the sled

A sled weighs 100 N. It is held in place on a frictionless 20 degree slope by a rope attached to a stake at the top of the slope; What is the normal force acting on the sled

  What is the increase in the internal energy of the neon

Suppose a tank contains 770 m3 of neon (Ne) at an absolute pressure of 1.01×105 Pa. The temperature is changed from 293.2 to 295.6 K. What is the increase in the internal energy of the neon?

  What is its period of revolution in lunar months

A satellite is put in a circular orbit about Earth with a radius equal to 50% of the radius of the Moon's orbit. What is its period of revolution in lunar months

  Find the location of the center of mass of the meter sticks

hree uniform meter sticks, each of mass , are placed on the floor as follows: stick 1 lies along the axis from = 0.210 m to = 1.21 m, Calculate the location of the center of mass of the meter sticks

  What is the image magnification

The National Museum of Photography, Film & Television, in England, has a huge converging lens with a diameter of 1.37 m and a focal length of 8.45 m. What is the image magnification

  Determine the ratio of their activities at this instant

Two different elements with half lives Ta and Tb have Na & Nb (undecayed) atoms respectively, Determine the ratio of their activities at this instant

  Suppose that the speed of light in a vacuum were one

suppose that the speed of light in a vacuum were one million times smaller than its actual value c 3.00 times 102 ms.

  Find the distance that places the final image at infinity

An object is placed 11.7 cm to the left of a diverging lens of focal length -5.81 cm. Find the distance d that places the final image at infinity

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd