KWAKYETHERESA7GO KWAKYETHERESA7GO

Physics

Answered

A machine has a velocity ratio of 6 and is 80%efficient. What effort would be needed to lift a load of 300N with the aid of this machine?

Answer :

SMARTBRAIN91GO SMARTBRAIN91GO

Efficiency =Velocity Ratio/Mechanical Advantage *100%

80%=6/MA*100%
Therefore MA=7.5

MA=Load/Effort
7.5=300/E
E=300/7.5
E=40

Answer Link

Go Question: Other Questions

2. Indiquez Si La Proposition Subordonnée En Gras Est Une Proposition Subordonnée relative Ou Complétive. 1. Il Se Réjouit Que Tous Le Comprennent. 2. Maman Veu

Explain Why Both Jenna And Mia Arrived At The Same Answer And The Advantage Of One Method Over The Other.

True Or False the Invention Of The Cotton Gin By Eli Whitney Caused An Increase Demand For Slaves In Southern States Where Cotton Could Be Grown.

As The Distance From A Charged Object Or Particle Increases, The Strength Of The Electrical Field increases decreases. stays The Same.

A Toothpaste Ad That Asks The Viewer If He Or She Has Ever Scared Away A Date Because Of Bad Breath: A. Relies On Reason. B. Inspires Happiness. C. Provokes In

Pls Helppp!!! This Is Very Important

Nikau Is Trying To Take A Selfie To Use As His New Social Media Profile Image. He Is Photographing Himself Indoors. To Control The Lighting, He Is standing Next

The Distance Between 19 And -15 On A Number Line Is 4 True Or False?

Which Expression Can Be Used To Find The Volume of The Rectangular Prism In Cubic Centimeters? 85 Cm Area Of Base: 245 Cm A. 85 + 245 B. 85 X 85 X 245 C 85+ (85

6. A Building Code Allows A Maximum Of 140 People In A Meeting Room. There Is One Large Table in The Room, Along With Some Small Tables. When Filled, The Large

Help Asap For Brainlist.

In Which Part Of Europe Would You See Whole Hillsides Covered With Lines Of Grape-vines