Dajour9521 Dajour9521
  • 20-03-2018
  • Physics
contestada

A car moving with a velocity of 20 meters/second has 1.8**10^5 joules of kinetic energy what is the mass of the car?

Respuesta :

aizisohail
aizisohail aizisohail
  • 20-03-2018
Kinetic energy = 1/2 x mass x velocity^2

mass = kinetic energy x 2 / velocity ^2

mass = (1.8 x 10^5) x 2/ 20^2

mass = 900 kg.
Answer Link

Otras preguntas

a sample of ammonia contains 9g hydrogen and 42g nitrogen. another sample contains 5g hydrogen .calculate the amount of nitrogen in the second sample
Most wind erosion is caused by _____. saltation abrasion traction plucking
Most wind erosion is caused by _____. saltation abrasion traction plucking
Evaluate the expression. 30C5
Find the GCF of 17,19 using prime factorizations
Which pair of ratios is proportional and why/how? a. 5ft:7 sec and 20ft:28 sec b. 3 yd:15 mi and 15 yd: 75 mi
What prevents the backflow of urine from the urinary bladder to the kidneys?
Topic is substitute positive and negotiable values into a formula A=2 B=4 C=-3 What is 5a 3ab B squared -c
Which of these events happened when the United States dropped the first atomic bomb? The formation of the Iron Curtain was announced. The Soviets honored their
Complete the sentence: The elongation of the leading strand during DNA synthesis