branimirthegreat0911
branimirthegreat0911 branimirthegreat0911
  • 06-03-2020
  • Physics
contestada

15 J of work were expended moving an 18 kg block. At what velocity did the block move?

Respuesta :

Chelboy
Chelboy Chelboy
  • 07-03-2020

Answer:√(5/3)m/s

Explanation:

Kinetic energy(ke)=15j

Mass(m)=18kg

Velocity(v)=?

Ke=(mxv^2)/2

15=(18xv^2)/2

Cross product

(18xv^2)=15x2

18xv^2=30

Divide both sides by 18

(18xv^2) ➗ 18=30 ➗ 18

v^2=5/3

v=√(5/3)

v=√(5/3)m/s

Answer Link

Otras preguntas

write the steps of how to use a number line to multiply a 2 digit number by 20
Find the value of p÷6 when p=24
Give the symbols for the elements that make up each of the following carbohydrates lipid s DNA proteins
¡Wujuu! Hace ____________ aquí en las aguas tropicales.
At which root does the graph of f(x) = (x – 5)3(x + 2)2 touch the x axis? A. -5 B. -2 C. 2 D. 5
T=ms/m+b solve for m
How is the escape plan in Act 4 scene 1 of Romeo and Juilet different then in pyramus and thisbe? ●Pyramus and thisbe stay and hide while romeo and juliet leave
Hallie has 10 times as many pages to read for her homework assignment as janet. Altogether they have to read 264 pages. How many pages does each girl have to re
thank you this has really help me and it can really boast up my grades thank you
six less than two thirds of a number is negative ten. Find the number