lenrus798 lenrus798

26-07-2018
Chemistry

contestada

A soccer balll is travelling at a velcrocity of 50ms the kinetic energy of the ball is 500 what is the mass of the soccer ball

Respuesta :

SvetkaChem SvetkaChem

26-07-2018

KE = mv²/2

m=2*KE/v²

v=50 m/s

KE=500J

m=2*KE/v² =2*500/50²=1000/2500= 0.4 kg

Answer Link

Otras preguntas

You invest $2000 in an account that is compounded annually at an interest rate of 5% . You never withdraw money from the account. How much money will be in the

AWho has the best strategy for resisting peer pressure to take drugs? A. Peter, who smiles and says, "Not today, I'm not feeling too well." B. Monica, who firml

Carly wins 1282 tickets at a arcade. For each group of 65 tickets she will receive a prize. Carl solve the problem 1282÷65 and determines that she has enough t

PLEASE ANSWER ! WILL REWARD 20 POINTS and BRAINLIEST! I WILL APPRECIATE YOU FOREVER.

Describe macaroni and cheese with sensory descriptors (touch,taste,sight,texture,aroma,hear) Thanks

Atoms with certain characteristics are radioactive. which of those below will always be radioactive?

The data sets represent the five starting players of four basketball teams. Order the teams from least to greatest based on the mean height of the teams. 69,68,

Find the solution of this system of equations. Separate the x- and the y- values with a comma. X=6+y -8x+9y=-29

Which hypothesis explains why continental plates have higher elevations than oceanic plates? A. Continental plates are less dense than oceanic plates. B.

The planets closest to the Sun are the inner, or terrestrial, planets and are similar to Earth in some ways. They are rocky and dense, have few moons, no rings,

ACCESS MORE EDU ACCESS