Document page
igcse physics notesprinted 31 · PDF 31
124 pagesrevision 46936
printed 31 · PDF 31
Page image rendered from the stored file at 110 dpi; it sharpens as you zoom. Outlines are placed from each region’s stored position on the page (612 × 792 pt).
no text layerread by OCR (tesseract5-eng@250dpi)The text layer was unusable, so the page image was read by OCR. OCR text can contain misread characters.
Source of this text: read by OCR. The better of the embedded text and OCR is kept.
Aitchison College Academic Resources.
An object of mass 50kg accelerates from a velocity of 2.0m/s to a velocity of 10m/s in the same
direction.
What is the impulse provided to cause this acceleration?
A 250Ns B 400Ns C 850Ns D 2500Ns
A gas molecule strikes the wall of a container. The molecule rebounds with the same speed.
wall wall
gas molecule gas molecule
sttament woateenc
before hitting the wall after hitting the wall
What happens to the kinetic energy and what happens to the momentum of the molecule?
kinetic energy momentum
A changes changes
B changes stays the same
C | stays the same changes
D | staysthe same | stays the same
31