Newton's laws: impact force, orbital centripetal force, weight on Earth

[stephaine]

1. Which will have the greater force during impact; a bumble bee being hit by a train or a train being hit by a bumble bee? (Hint: Newton’s Three Laws of Motion)

1. What is the centripetal force that holds the Earth in orbit around the sun?

1. How much does a 76.0 kg person weigh on Earth in Newtons?

 

[Dr. Courtney]

There are rules for getting help on homework. Since this looks like homework, you should follow those rules or clarify that these questions are unrelated to homework and only intended to satisfy your interest.

 

[stephaine]

excuse me I have the answers that I think are correct just need a liitle more assistance

 

[stephaine]

for the first question I assume they are equal
the second question I got gravity
the last one I got -744.8

 

[Greg Bernhardt]

Please show your work and we can help you