Calculate (A⃗ ×B⃗ )⋅C⃗ for the three vectors A⃗ with magnitude A = 4.86 and angle θA = 23.5 ∘ measured in the sense from the +x
- axis toward the +y - axis, B⃗ with B = 4.02 and θB = 60.1 ∘, and C⃗ with magnitude C = 6.02 and in the +z - direction. Vectors A⃗ and B⃗ are in the xy-plane.
1 answer:
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Explanation:
It is given that,
Mass of the truck, m = 2000 kg
Initial velocity of the truck, u = 34 km/h = 9.44 m/s
Final velocity of the truck, v = 58 km/h = 16.11 m/s
(a) Change in truck's kinetic energy,
(b) Change in momentum of the truck,
Hence, this is the required solution.