Type the number

Exercise and reference answers

Questions

1. Answer

   6

   Question

   Momentum of a 2 kg cart at 3 m/s, in kg m/s

2. Answer

   0

   Question

   Total momentum of the pieces of a still firecracker

3. Answer

   10

   Question

   Mass after a 4 kg and a 6 kg cart lock, in kg

4. Answer

   1909

   Question

   Year of the gold foil scattering experiment

5. Answer

   2

   Question

   Bodies you must include for a closed cart system

6. Answer

   0

   Question

   Mass sitting exactly at a doughnut centre, in kg

Instructions

Type the number only.

Explanation