Title: MR G
1MR Gs Water Rocket experiment
23. Maximum Gravitational Potential energy
2. Maximum Kinetic energy
1. Maximum Strain Potential energy
4. Maximum Kinetic energy
3ROCKET SCIENCE
100g Rocket
500g water
? m/s
5 m/s
4ROCKET SCIENCE
100g Rocket
500g water
? m/s
5 m/s
Momentum of exhaust Momentum of Rocket
5ROCKET SCIENCE
100g Rocket
500g water
? m/s
5 m/s
Momentum of exhaust Momentum of Rocket
Mass of water x velocity of water Mass
of Rocket x velocity of Rocket
6ROCKET SCIENCE
100g Rocket
500g water
? m/s
5 m/s
Momentum of exhaust Momentum of Rocket
Mass of water x velocity of water Mass
of Rocket x velocity of Rocket
0.5 Kg x 5 m/s 0.10 Kg x VR
7ROCKET SCIENCE
100g Rocket
500g water
? m/s
5 m/s
Momentum of exhaust Momentum of Rocket
Mass of water x velocity of water Mass
of Rocket x velocity of Rocket
0.5 Kg x 5 m/s 0.10 Kg x VR
0.5 Kg x 5 m/s
VR
0.10
8ROCKET SCIENCE
100g Rocket
500g water
? m/s
5 m/s
Momentum of exhaust Momentum of Rocket
Mass of water x velocity of water Mass
of Rocket x velocity of Rocket
0.5 Kg x 5 m/s 0.10 Kg x VR
0.5 Kg x 5 m/s
VR
0.10
VR 25 m/s
9ROCKET SCIENCE
100g Rocket
500g water
? m/s
5 m/s
Momentum of exhaust Momentum of Rocket
Mass of water x velocity of water Mass
of Rocket x velocity of Rocket
0.5 Kg x 5 m/s 0.10 Kg x VR
0.5 Kg x 5 m/s
VR
0.10
VR 25 m/s
56 mph
10ROCKET SCIENCE
V 0 m/s
Maximum height ? ( ignore drag forces)
a - 10 m/s/s
uR 25 m/s
11ROCKET SCIENCE
V 0 m/s
Maximum height ? ( ignore drag forces)
a - 10 m/s/s
a v u
t
uR 25 m/s
12ROCKET SCIENCE
V 0 m/s
Maximum height ? ( ignore drag forces)
a - 10 m/s/s
a v u
t
uR 25 m/s
Flight time t v u
a
13ROCKET SCIENCE
V 0 m/s
Maximum height ? ( ignore drag forces)
a - 10 m/s/s
a v u
t
uR 25 m/s
Flight time t v u
a
t 0 25 2.5 sec -10
14ROCKET SCIENCE
V 0 m/s
Maximum height ? ( ignore drag forces)
a - 10 m/s/s
a v u
t
uR 25 m/s
Flight time t v u
a
t 0 25 2.5 sec -10
Velocity m/s
time/s
15ROCKET SCIENCE
V 0 m/s
Maximum height ? ( ignore drag forces)
a - 10 m/s/s
a v u
t
uR 25 m/s
Flight time t v u
a
t 0 25 2.5 sec -10
Velocity m/s
25 m/s
time/s
2.5 s
16ROCKET SCIENCE
V 0 m/s
Maximum height ? ( ignore drag forces)
a - 10 m/s/s
a v u
t
uR 25 m/s
Flight time t v u
a
t 0 25 2.5 sec -10
Velocity m/s
25 m/s
Area distance travelled 2.5 x 25
2
time/s
2.5 s
17ROCKET SCIENCE
V 0 m/s
Maximum height ? ( ignore drag forces)
a - 10 m/s/s
a v u
t
uR 25 m/s
Flight time t v u
a
t 0 25 2.5 sec -10
Velocity m/s
25 m/s
Area distance travelled 2.5 x 25
2
time/s
2.5 s
18ROCKET SCIENCE
V 0 m/s
Maximum height ? ( ignore drag forces)
a - 10 m/s/s
a v u
t
uR 25 m/s
Flight time t v u
a
t 0 25 2.5 sec -10
Velocity m/s
25 m/s
Area distance travelled 2.5 x 25
2
Maximum height reached 31.25 m
time/s
2.5 s