Qualification > Sciences

IGCSE PHYSICS DOUBTS HERE !!!!

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SauD~:
Anymore?
Were those clear?

~ Miss Relina ~:

--- Quote from: Accounts on March 29, 2011, 08:44:45 pm ---Anymore?
Were those clear?

--- End quote ---
ya Thanks they were clear now i have others hope u can help with
A man jumps from an aeroplane. He falls freely
what happens to him when his parachute opens?
1.he begins to move upwards
2.he contiues falling but at a slower speed
choose one and explain why??
thxnin advance

~ Miss Relina ~:
ammeter reads 2A
if lamp N removed the current in ammeter become less than 2A explain why???
sorry for poor drawing :(

~ Miss Relina ~:
when goalkeeper punches the ball over the bar,what happens to the ball as its bunched ??
answer says it changes both shape and direction why why ???

SauD~:

--- Quote from: Relina on March 29, 2011, 10:48:25 pm ---ya Thanks they were clear now i have others hope u can help with
A man jumps from an aeroplane. He falls freely
what happens to him when his parachute opens?
1.he begins to move upwards
2.he contiues falling but at a slower speed
choose one and explain why??
thxnin advance

--- End quote ---
2nd one because when he opened the parachute, the air resistance caused by it makes it equal to the pull of gravity. So his speed gets slow ;)

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