'Which of the following statements correct With espect tc lectrical charges? Electrical charges of the same polarity attract one anotner. Electrical charges of the same polarity repel cne another: Electrical charges of differing polarity repel nother: All of the answers are correct'

### Video Transcript

Hi. So uh Sergei's clock with circus car was clocked at a quarter mile race. 146 0.67 MPH. How many feet per second? Is this the nearest 100th if there are. Okay, So that means alright, so we're changing this two ft per second. We're changing MPH. two ft per second. So that's 146 0.7 miles Um over one hour. Yeah. So what we're gonna do is we're gonna change this miles number two ft And we're gonna change this hours number two seconds. And then we divide and that that's what gives us like one of these answers. Okay, So I changed that miles number two ft by multiplying at times 5280 and it was this huge number. I need to change ours two seconds. There are 60 seconds in a minute and there's 60 minutes in an hour. So that means there's 3600 um Seconds in an hour. So now this is the big 700,000 number, this is the 3600 number. He divided to get 215.12, which is what she says. Alright, that's how you do it. Have a good day