-- A balloon containing 600 cm? of air at a pressure of 0,828 kPa escapes from a child's hand in a shopping centre. It rises and when it reaches the roof, the volume has increased to 700 čm. Calculate the pressure on the balloon at this height. (assume that the temperature in the shopping centre remains constant).

A60-kg skier starts at the top of a 10-meter high slope. at the bottom, she is traveling 10 m/s. what is the gpe? gpe =mgh 2,880 j 5,880 j 3,000 j 1633j

Ineed extreme for task 2. my student number is 571721. many to whoever solves this correctly, im in debt to you.

The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping