Free help with homework

Why join Brainly?

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


Car horn=110db
Total silence=0
jet engine=120
normal conversation=60
rock concert=120
gun shot=140
space launch=165-170
0 0 0

1)Car-80 Decibels
2)Conversation-50 Decibels
3)vacuum cleaner- 60 decibels
4)Heavy hammering machine-110 Decibels
5)Soft whisper-30 Decibels
6)Motorcycle-60 Decibels
7)Diesel lorry-90 Decibels
8)Jet Take Off- 140 Decibels
9)Police car siren-120 Decibels
10)Loud crowd noise-100 Decibels
0 0 0
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