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

Ppls pls help idk and I will give 20 points

How did consumerism affect the economy in the 1920s? Check all that apply. Most consumers chose to buy only the goods they could afford. Most consumers had acce

please helpppp it’s due by mid night’s

The weight of laboratory mice follows a normal distribution, with a mean of 0.68 ounce and a standard deviation of 0.02 ounce. What percentage of the mice weigh

When including writing samples, what else do you need samples of?

How old was george washington when he died

Witch list is in descending order?

How far is the sun from the earth?

Which system of equations could be used to find the number of tickets sold before the tournament, x, and the number of tickets sold at the door, y? Remember, 74

1. Solve the equation: 4x = -36 (1 point) 09 O-9 0-40 40 MUCO