A. A 350kg "demolition derby" automobile traveling at 30km/h comes into direct collision with a 500kg truck moving in the opposite direction at 40km/h. The two vehicles stick together. Determines the speed of the two vehicles following the cllision.

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Chapter6: Momentum And Collisions
Section: Chapter Questions
Problem 71AP: (a) A car traveling due east strikes a car traveling due north at an intersection, and the two move...
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Please help with A&B&C question, well explained.
A. A 350kg "demolition derby" automobile traveling at 30km/h comes into
direct collision with a 500kg truck moving in the opposite direction at 40km/h.
The two vehicles stick together.
Determines the speed of the two vehicles following the collision.
B.A4.0 kg cart moving with a speed of 5 m/s (East) collides
with another 2 kg trolley moving with a speed of 4 m/s (West). If the
collision is elastic, what is the speed of each cart after the collision
C.A 1.2 kg grenade lies on the flat ground. Suddenly she explodes into three
parts. The first piece, weighing 0.5 kg, flies with a speed of 3.0 m/s towards the
North. The second piece, weighing 0.3 kg, flies with a speed of 4 m/s in the direction
(South 450 East). What is the vector velocity of the third piece?
Transcribed Image Text:A. A 350kg "demolition derby" automobile traveling at 30km/h comes into direct collision with a 500kg truck moving in the opposite direction at 40km/h. The two vehicles stick together. Determines the speed of the two vehicles following the collision. B.A4.0 kg cart moving with a speed of 5 m/s (East) collides with another 2 kg trolley moving with a speed of 4 m/s (West). If the collision is elastic, what is the speed of each cart after the collision C.A 1.2 kg grenade lies on the flat ground. Suddenly she explodes into three parts. The first piece, weighing 0.5 kg, flies with a speed of 3.0 m/s towards the North. The second piece, weighing 0.3 kg, flies with a speed of 4 m/s in the direction (South 450 East). What is the vector velocity of the third piece?
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