isatas6271 isatas6271
  • 16-11-2017
  • Physics
contestada

A 0.5 kg ball moving at a speed of 3m/s rolls up a hill. How high does the ball roll before it stops

Respuesta :

jordadar12
jordadar12 jordadar12
  • 20-11-2017
according to conservation of energy
Kinetic energy at the bottom of hill = potential energy at top of hill
Kinetic energy(KE)= 0.5×mass(m)×velocity(v)²
where m=0.5 kg, and v= 3 m/s, v²=9 
KE=0.5×0.5×9=2.25 J = PE
PE=m×gravitational acceleration(g)×height(h)
h=2.25/(0.5×9.8)=0.459 m
Answer Link

Otras preguntas

A word that tells you where or when something is in relation to something else
what is 5/8 of 24??? it willl help a lot if i knew
Why does Mr. Jabez Wilson write so much in "The Red-Headed League"?
A family drove a total of 5,300 miles.They drove 10 more miles in tj second half of the trip than the first half. How many did they drive in the first half?
Question 1 of 10 Multiple Choice: Please select the best answer and click "submit." Which of the following is not true about the median of a trapezoid? A. The m
What Are 10 Merits And Demerits Of Democracy?
Which fat is most likely a solid at room temperature? one that is saturated one that is unsaturated one with double bonds one that contains no hydrogen
Which word completes the sentence with the correct principal part of the verb? All our games have __________ early in this tournament. A. began B. begin C. begu
Which word is a contraction? A. there B. they C. their D. they're
an 11 ohm resistor and a 6 ohm resistor are connected in series with a battery. the potential difference across the 6 ohm resistor is 9 volts. find the potentia