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Lock Red

A 920-kg sports car collides into the rear end of a 2300-kg SUV stopped at a red light. The bumpers lock......
A 920-kg sports car collides into the rear end of a 2300-kg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.8m before stopping. The police officer, knowing that the coefficient of kinetic friction between the tires and the road is 0.80, calculates the speed of the sports car at impact. What was the speed?
Let Ff, N, f, m1, m2, V1, and S denote frictional force, normal force, friction constant, mass of car, mass of SUV, and distance, respectively and g=9.81 m/s^2. Then:
Ff=N*f
Ff=(m1+m2)*g*f--(1)
1/2*m1*v1^2 = Ff*s---(2)
Insert (1) into (2) and solve for v1. Thus,
V1=sqrt(2*Ff*s/m1)
V1= sqrt(2*(m1+m2)*g*f*S/m1)
V1= sqrt(2* (920+2300)* 9.81 * 0.8* 2.8 / 920)
V1= 12.4 m/s
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Fugazi - Red Medicine - 06 - Combination Lock
Rate/Fix my RED EYES/HORUS LOCK DOWNDECK?
Tributes:9
3 Red Eyes Black Dragon
1 Red Eyes Darkness Dragon
2 Horus lv 6
2 Horus lv8
1 Cyber Dragon
Non Tributes:15
3 Exploder Dragons
3 Red Eyes Black Chicks
2 Lord Of D
2 Divine Dragon Ragnarok
1 Cyber Valley
1 Morphing Jar
1 Herald Of Creation
2 Dark Hunter
Magics:13
3 Ancient Rules
2 Inferno Fire Blast
2 Dragons Mirror
1 Monster Reborn
1 Heavy Storm
1 Future Fusion
1 Lightning Vortex
1 Mystical Space Typhoon
1 Brain Control
Traps:3
3 Royal Decree
Fusions:4
2 Five Headed Dragon
2 King Draguns
I am thinking of removing red eyes totally no red
-3 red eyes
-3 black chicks
-1 darkness
-3 ancient rules
-2 inferno fire blasts
what should i do with these 12 cards? i was thinking of adding 2 destiny hero plasma and 3 fires of doomsay but i still need 7 more cards so i can make this a total lock down wat do you guys suggest
i agree remove red eyes and put in horus 4 and some level modulations and some level up dragons beads are good too
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