Objects of masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a light string that passes over a frictionless pulley as in Figure P4.48. The object m1 is held at rest on the floor, and m2 rests on a fixed incline of θ = 42.0°. The objects are released from rest, and m2 slides 1.10 m down the incline in 3.60 s.

Question

(a) Determine the acceleration of each object.
m1 in m/s2 upward
m2 in m/s2 down the incline
(b) Determine the tension in the string.
in N
(c) Determine the coefficient of kinetic friction between m2 and the incline.

Answer 1

distancetraveled= 1/2 acceleartion*time^2

solve for acceleration.