Recent content by phzy

Thank you very much for your help ! Simon Bridge, Cwatters

sorry i cannot upload the word file since it's larger than 300kb... below is my discussion. please have a look of it and give me some advices! thank you! Discussion Change of angle 30° The height of the slope is: sin30°*0.47=0.235 Metres PE=0.019464*9.8*0.235 PE=0.0448J KE=PE=1/2...

thank you for your reply, Simon. i didn't use the second slope. the attached files are my actual report, could anyone have a look for me? and give me some more advice please? Thank you so much!

Homework Statement hi, i am writing a report about the motion of toy car. experiment has done using a toy car and a card board slope, the toy car was slide down the slope. change of angle of slope, change of mass of toy car, change of materials covered on the slope were tested, the time it...