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$\cdot$ Compute the number of seconds in (a) an hour, (b) a 24 hour day, and (c) a 365 day year.

$1 h r=1 h r * 60 \frac{\min }{h r} * 60 \frac{s}{\min }=1 * 60 * 60 s=3600 \mathrm{s}$$1 d a y=1 d a y * 24 \frac{h r}{d a y} * 3600 \frac{s}{h r}=1 * 24 * 3600 s=86400 s$$1 y r=1 y r * 365 \frac{d a y}{y r} * 86400 \frac{s}{d a y}=1 * 365 * 86400 s=31536000 s$

Physics 101 Mechanics

Chapter 1

Models, Measurements, and Vectors

Physics Basics

Nhon M.

October 17, 2020

University of Washington

Simon Fraser University

University of Winnipeg

McMaster University

Lectures

04:16

In mathematics, a proof is…

09:56

In mathematics, algebra is…

01:35

Convert 365 days (one year…

02:11

a. There are 365 days per …

02:29

(a) How many seconds are t…

02:39

Length of a year The diffe…

01:55

Use dimensional analysis t…

01:41

There are exactly 60 secon…

00:43

How many seconds are there…

03:04

Challenge Write the conver…

04:57

(Find the number of years …

01:49

(II) ($a$) How many second…

00:32

Convert the units of time.…

00:23

01:09

00:47

00:24

Find the resulting unit of…

02:01

Convert the following to S…

01:38

How many seconds are in 24…

01:07

The tropical year, the tim…

01:00

(a) How many scconds are t…

minutes after on problems. Their team, it says, compute the number of seconds in an hour. A 24 hour day and 200. So 1st 1 hour equals 60 minutes. One minute. Be cool. 6 30 seconds, sir. One hour comes a career. In fact, everyone, ours and all of them Cancel this out. 60 minutes. Secondary factory. We need minutes on Bonham. Get cancel out for one minute. Second. So we see that this is equal to 3,600 seconds. Cool. So now it's It's that many in one hour for one day. This is, what, 24 hours times 36 100 seconds in one hour. So plug was and I ejaculated, and this is a D 6.4 times 6.4 10 to 3 seconds. Her day. That's a three supremacy. Okay, go. Moving on to see. Now we have one year. So there's 365 days in a year, and we already know there is 86.4 times 10 to the three seconds for one day from part. Be plugging the center calculator. This is equal to 3.15 times 10 to the seven seconds or you cool

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