Pr9ockmarthannieHug Pr9ockmarthannieHug
  • 02-04-2017
  • Physics
contestada

A ball is dropped and falls with an acceleration of 9.8m/s2 downward. it hit the ground with a velocity of 49 m/s downward. how long did it take the ball to fall to the ground?

Respuesta :

mathssydney
mathssydney mathssydney
  • 02-04-2017
v=u+at
49=0+9.8t
t=49/9.8
t = 5 (seconds)

Answer Link

Otras preguntas

The sun generates energy through what? a. nuclear fusion b. helium building c. hydrogen synthesis d. atomic separation
a triangle abc with vertices a (6,8) b(6,12) and c (10,12) is rotated 180 degrees. what are the coordinates of a
what is the product of the binomial (x+4)(x+3)
a city planner is working on the redesign of a hilly portion of a city. an important consideration is how steep the roads can be so that even low-powered cars c
The endocrine system is responsible for the sexual maturation that teenage bodies experience, true or false?
what causes the need to use imaginary numbers
1^2 + 4^2 + 7^2 + ... + (3n - 2)^2 = n(6n^2-3n-1)/2
how high is the tree in cm
what is dog in spanish
two-year-old sara lives in a home where the family has a german shepherd. sara knows the word doggie. one day, when sara is outside with her mother, she sees a