pls answer 1 and 2 with work

Lab 6: Pre-Lab Questions (10 pts.) 1. A 3.0-kg cart on a frictionless horizontal surface is connected with an ideal string and an ideal pulley to a 4.0-kg hanging mass. The hanging mass is initially held a height of 0.45 m above the ground. The hanging mass is released. How fast is the hanging mass going as it hits the ground? (5 pts.) F = Fg -It FN m x a = 4 (9.8 ) - FF 3 kg Fg 494 Fg 2. The same cart and hanging mass given above are released from rest. How far has the cart traveled by the time it reaches a speed of 1.00 m/s? (5 pts.)