jessyjellytot14
Badges: 16
Rep:
?
#1
Report Thread starter 3 years ago
#1
http://filestore.aqa.org.uk/subjects...2-QP-JUN14.PDF

Can someone please explain how you approach question 1 (c) (ii)?
0
reply
TheFarmerLad
Badges: 21
Rep:
?
#2
Report 3 years ago
#2
(Original post by jessyjellytot14)
http://filestore.aqa.org.uk/subjects...2-QP-JUN14.PDF

Can someone please explain how you approach question 1 (c) (ii)?
What have you done so far?
0
reply
jessyjellytot14
Badges: 16
Rep:
?
#3
Report Thread starter 3 years ago
#3
(Original post by TheFarmerLad)
What have you done so far?
Nothing because I don't know which equation to use. I have answered the previous parts.
0
reply
TheFarmerLad
Badges: 21
Rep:
?
#4
Report 3 years ago
#4
(Original post by jessyjellytot14)
Nothing because I don't know which equation to use. I have answered the previous parts.
Think of the energy transfers taking place during the rollercoaster
0
reply
jessyjellytot14
Badges: 16
Rep:
?
#5
Report Thread starter 3 years ago
#5
(Original post by TheFarmerLad)
Think of the energy transfers taking place during the rollercoaster
Ek= 1/2mv2 ?
0
reply
TheFarmerLad
Badges: 21
Rep:
?
#6
Report 3 years ago
#6
(Original post by jessyjellytot14)
Ek= 1/2mv2 ?
And GPE? As the car drops 87% of the energy it has at the top gets converted to KE/
0
reply
jessyjellytot14
Badges: 16
Rep:
?
#7
Report Thread starter 3 years ago
#7
(Original post by TheFarmerLad)
And GPE? As the car drops 87% of the energy it has at the top gets converted to KE/
So would you work out GPE using GPE=mgh and then multiply this by 0.87 and then sub into the KE equation and solve for V?
0
reply
TheFarmerLad
Badges: 21
Rep:
?
#8
Report 3 years ago
#8
(Original post by jessyjellytot14)
So would you work out GPE using GPE=mgh and then multiply this by 0.87 and then sub into the KE equation and solve for V?
Yes
1
reply
X

Quick Reply

Attached files
Write a reply...
Reply
new posts
Back
to top
Latest
My Feed

See more of what you like on
The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

Personalise

Regarding Ofqual's most recent update, do you think you will be given a fair grade this summer?

Yes (112)
28.07%
No (287)
71.93%

Watched Threads

View All