Element Symbol
Protons
Neutrons
Electrons Atomic # Atomic
Mass
7
lon? If yes,
charge
No
Nitrogen
7
N
Sodium
11
23
Yes, +1
Na
Gold
au
79
197
No
79
22
79
118
25
20
20
19
19
Titanium
Ti
Potassium
k
Mercury
Hg
Hydrogen H
19
41
80
76
201
0
1
lodine
I
127
Yes, -3
Uranium
92
92
238
Calcium
Ca
20
20
20
20
41
Yes, +2
Iron
Fe
30
Yes, +3
26
26
26

when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min

0.93xc=0.93x3x10^8m/s

2.54cm is 1 inch

360seconds i 1 hr