TalanC775571 TalanC775571

03-11-2022
Physics

contestada

A 1 kg mass has a kinetic energy of 1 Joule when its speed isA. 0.45 m/sB. 1.4 m/sC. 1 m/sD. 4.4 m/s

Respuesta :

BrodinM56316 BrodinM56316

03-11-2022

Kinetic energy = 1/2 x mass x velocity^2

Where:

Kinetic energy = 1 J

mass = 1 kg

Isolate v (speed)

KE = 1/2 m v^2

√(2KE/m) = v

v = √(2KE/m)

Replacing with the values given:

v = √(2*1/1)

v= √2 = 1.4 m/s

Answer: 1.4 m/s (B)

Answer Link

Otras preguntas

Which element reacts spontaneously with 1.0M HCl (aq) at room temperature? (1) copper (3) silver (2) gold (4) zinc

Which polyatomic ion is found in the compound represented by the formula NaHCO3? (1) acetate (3) hydrogen sulfate (2) hydrogen carbonate

Solve for x. 6x - 2 = 5x - 7 - 3x

What is the supreme law of the land?

Who is the Chief Justice of the United States now?

the band members sold 316 juice drinks for a fundraiser. they sold 52 more grape drinks than strawberry drinks. how many of each type of juice drink did they se

Which compound is classified as a hydrocarbon? (1) butanal (3) 2-butanol (2) butyne (4) 2-butanone

Name one American Indian tribe in the United States

What is one thing Benjamin Franklin is famous for?

What group of people was taken to America and sold as slaves?