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1. 2.25 kg block released from rest, block slides without friction to the bottom when released, continues to cross a frictionless surface except for rough patch of 15.0 cm in width with a kinetic friction of 0.750. find h such that speed is 4.00 m/s after crossing rough area. if projectile mass of 0.850 kg straight up with initial speed of 18.0 m/s. find height if no air resistance was present, if projectile rises to 11.7 m max find magnitude of average force from air resistance

1. 2.25 kg block released from rest, block slides without friction to the bottom when released, continues to cross a frictionless surface except for rough patch of 15.0 cm in width with a kinetic friction of 0.750. find h such that speed is 4.00 m/s after crossing rough area. if projectile mass of 0.850 kg straight up with initial speed of 18.0 m/s. find height if no air resistance was present, if projectile rises to 11.7 m max find magnitude of average force from air resistance

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1. 2.25 kg block released from rest, block slides without friction to the bottom when released, continues to cross a frictionless surface except for rough patch of 15.0 cm in width with a kinetic friction of 0.750. find h such that speed is 4.00 m/s after crossing rough area.

if projectile mass of 0.850 kg straight up with initial speed of 18.0 m/s. find height if no air resistance was present,

if projectile rises to 11.7 m max find magnitude of average force from air resistance

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