2 An object is attached to a trolley of mass 0.80 kg, which is then pushed into an identical stationary trolley at a speed of 1.1 m/s.
The two trolleys couple together and move at a velocity of 0.70 m/s
after the collision. Calculate the mass of the object. [6 marks]​

a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be?

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the force on the thing and the distance the force moves the thing

1 the 4 is sig