jess123456788 jess123456788

02-02-2017
Physics

contestada

if the velocity of a car is halved the fc required to keeo it in a path of constant radius is multiplied/divided by?

Respuesta :

marklukomskiy marklukomskiy

02-02-2017

I believe this is it
The centripetal force is given by
F = mv^2 / r
When v' = v/2,
F' = mv'^2/r = m(v/2)^2/r = mv^2/4r = F/4.
So the centripetal force is divided by 4.

Answer Link

ashirashfaq ashirashfaq

02-02-2017

it should be the 4... so the answer is 4...

Answer Link

Otras preguntas

If the zeros of a quadratic equation are 7 and 4, what would be the factors?

A company pays $20 per hour for up to 7 hours of work, and $30 per hour for overtime hours (hours beyond 7). If x is the total hours worked, and more than 7 hou

PYTHON --- Toll roads have different fees based on the time of day and on weekends. Write a function calc_toll() that has three parameters: the current hour of

Prove that for all integers n ≥ 3, n+1P3 −n P3 = 3 · n P2

The number of wrecks at a certain intersection varies directly as the number of cars that travel through the intersection. If there are 31 wrecks when 1,085 car

Question 3(Multiple Choice Worth 4 points) Which expression is equivalent to (7³)-2? 1 7-7-7-7-7-7 07 01 7 -1 7-7-7-7-7-7 frm

The graph below is an age-structure diagram for a population of African elephants. Age-structure Diagram of African Elephants € Age class EDUMA 101234567 4800*

john c calhoun changed which of his beliefs from being a federalist to believing in state sovereignty

Which of the following did the populist party suggest would raise crop prices

Your are designing a rectangular birthday card for a friend. You want the card's length to be 1 inch more than twice the card's width. The area of the card is 8