Asked by Sarah
A light spring having a force constat of 125 N/m is used to pull a 9.50kg sled on a horizontal frixtionless ice rink. If the sled has an acceleration of 2.00 m/s^2, by how much does the spring stretch if it pulls on the sled (a) horizontally, (b) at 30.0 degrees above the horizontal
Answers
Answered by
bobpursley
f=ma
kx=ma
x= ma/k horizontally
If at 30 deg above.
x= ma/k (1/cos30)
kx=ma
x= ma/k horizontally
If at 30 deg above.
x= ma/k (1/cos30)
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