guysss plsss i want extra question for physics...ninth lesson force and law of motion....plzz i want it fast...
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Hey there,
1.A cricket ball of mass 150g has an initial velocity u=(3i+4j) ms^-1 and final velocity of v= -(3i+4j) ms^-1 after being hit. The change in momentum in kgms^-1 is..?
2. Conservation of momentum in a collision between particles can be understood from?
1.A cricket ball of mass 150g has an initial velocity u=(3i+4j) ms^-1 and final velocity of v= -(3i+4j) ms^-1 after being hit. The change in momentum in kgms^-1 is..?
2. Conservation of momentum in a collision between particles can be understood from?
samRyjel:
wht if i wanna check the answers..??
Please post each of the questions separately in a different thread..
and whts (i )and ( j)
they are three units in vectors. i represents x axis , j represents y axis and k represents z axis ( k is not here though)
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