a car expends an energy of 25000 J while moving at a constant speed of 5 MS - 1 what is the mass of car
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given
Ek : 25000J
v : 5m/s
we know that
Ek : 1/2mv^2
(:)this sign equal to
25000: 1/2m*5
25000*2 /5: m
1000 : m
therefore mass of car is 1000
Ek : 25000J
v : 5m/s
we know that
Ek : 1/2mv^2
(:)this sign equal to
25000: 1/2m*5
25000*2 /5: m
1000 : m
therefore mass of car is 1000
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