Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions

From the top of a cliff 50m above sea level, a stone is thrown vertically upwards with a velocity of 15m/s. After how many seconds and with what velocity

will it hit the sea?(take g=10m/s)city


S=ut - 1/2gt"2..{against gravity}.
15t =5t"2..t=0 or 3..t=3s. or 2u/g=3s.
V=0 + gt=10 x 3=30m/s
0 0 0
i hope it helps...................
see the attached .............
1 5 1
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts