A 0.06 kg dart is thrown at 5 m/s and sticks into a 0.1 kg apple hanging at rest on a string. What is the velocity of the dart and apple just after the dart is embedded?

Question

A 0.06 kg dart is thrown at 5 m/s and sticks into a 0.1 kg apple hanging at rest on a

string. What is the velocity of the dart and apple just after the dart is embedded?

Answer 1

A 0.06 kg dart is thrown at 5 m/s and sticks into a 0.1 kg apple hanging at rest on a

string. What is the velocity of the dart and apple just after the dart is embedded?

Hi Chloe

Using

Momentum before impact = Momentum after impact

Momentum = Mass* velocity

0.06 * 5 = ( 0.1 + 0.06 ) *Velocity of dart and apple embedded

0.3 = 0.16*Velocity

Velocity of two together = 0.3/0.16 = 1.875 m/s