Question

Hi all! I need your help with a few questions, and I know you are there to help me whenever I need it, even I am there whenever you need me.
GRADE: 6
SUB: Physics
TOPIC: Physical Quantities and Measurements

Q1). What do you understand by term Mean Solar day?

Q2). How many seconds are there in 1 Mean Solar day?

Q3). Convert the following time into 12 hour clock:
a) 23 H 48 Min
b) 09 H 40 Min
c) 16 H 20 Min
Q4). Convert the following time into 24 hour clock:
a) 2 H 25 Min p.m
b) 9 H 40 Min a.m

Answer 1

Answer:

A mean solar day is a 24 hour. ... The mean sun is an imagnairy sun which matches a mean solar day.

Answer 2

Answer:

1=the time between successive passages of the mean sun across the meridian.

2=The mean solar day have 86 400 seconds

3=(a)=(23-12) :48 min=11:48 P.M.

(b)=9:40 A.M.

(c)=4:20 P.M.

4 =(a)=14:25

(b)=9:40