While walking down the street tim sees a man slumped over grabbing his chest. tim looks around at the other pedestrians who don't seem concerned. he assumes that, if they aren't worried, then everything is ok and keeps walking. this is an example of?

It is an example of Pluralistic ignorance

Explanation:

When something terrible happens to a person, it is essential to step ahead and help. However n reality most people tend to ignore such circumstances terming then as unconvincing, or they separate themselves from being involved. A person is suffering and needs attention.

Even though others may fail to take an initiative of helping to make a video of the event and to post online can be a way of extending a hand in helping. Therefore the act of preceding such scenario is called Pluralistic ignorance.

c it has to be i googled it

the vibration from the sound waves messed with the glass and it shattered.

hope this .