Name: Amman Badka Vector Construction & Deconstruction
Hedden Physics
For the vector sets below, combine the V, and V, vectors into a resultant through vector addition
DRAW the resultant vector below each!
hich an
2m
5 m
5 m
4 m
the
2 m
2 m
!
3.
Resultant
2.
Resultant
Resultant
(HINT: you might want to use the Pythagorean theorem, a + b = c?!)
in a
3, this
10 m
?
?
3 m
5 m
12 m
10 m
4 m
6.
Resultant
5.
Resultant
4.
Resultant
13

The correct answer is  "c".  it is "c" because melting is an endothermic change, and endothermic get's energy from surroundings. 

Answer///(d) atoms contain small,negatively charged particles;

Distance covered = speed x timethe distance traveled going against the stream = distance traveled with the stream.therefore it is the speed and the time that are the variables.as he travels the same distance both ways, speed x time is the same for each way.going upstream his speed is 4 kph; going downstream his speed is 6 kph.therefore we have two simultaneous equations: time upstream x 4 = time downstream x 6time upstream + time downstream = 60 minutestherefore we have the equation: time upstream = 6/10 hour, time downstream therefore = 4/10 hour.distance traveled at 4km/hr in 6/10 hour = 24/10 = 2.4km.check: distance traveled at 6km/hr in 4/10 hour = 24/10 = 2.4km.