hollyh8464 hollyh8464
  • 10-03-2017
  • Physics
contestada

A 1000-kg car has 50,000 joules of kinetic energy. What is the speed?

Respuesta :

harshaldk harshaldk
  • 10-03-2017
Kinetic Energy = 1/2×m×v²
50000 = 1/2×1000×v²
v = √100
v = 10 m/s
Answer Link
fc808
fc808 fc808
  • 16-03-2020

Answer:

½mv²= KE  

½(1000)?²= 50000

500*?²= 50000

500           500

? ²=100

Square root  

?= 10

10 m/s is you answer

Answer Link

Otras preguntas

Area of a Trapezoid = 791 square cm. Base 1 = 26.5cm, Base 2 = 30cm. What is the height?
a sample of ammonia liberates 5.66 kj of heat as it solidifies at its melting point . what is the mass of the sample?
What is 4/7 \ 8/15 equal to
Which sentence is punctuated correctly? A. Clapping his hands, Mitch exclaimed, "That's exciting news!" B. "Yes." Dottie added, "his photographs are goin
a certain car can travel 350 miles on a tank of gas which is 18 gallons of gas the vacation they have planned with cover 1785 miles how many gallons of gas wil
The book I am going to tell about is A Connecticut Yankee in King Arthur's Court. If this is a good topic sentence, select the sentence type. Otherwise, select
In an attempt to prevent certain species from becoming extinct humans have?
What is a sentence for the word compact????
how many 2 inch segments are there in 12 ft
An oxygen atom picks up two additional, free floating electrons. Is the charge of the newly formed oxygen ion positive, negative or neutral?