Task 1

You jump from a diving board with a height of 10 m above the water surface. What is your speed when you hit 2 the water, if we disregard air resistance? A: 11 m / s B: 12 m / s C: 13 m / s D: 14 m / s

task 2

You jump from a diving board with a height of 10 m above the water surface. Your speed when you hit the water is 11 m / s. How much work did the air resistance do while you fell? Assume that your mass is 63 kg. A: 2.4 kJ B: 3.4 kJ C: 4.4 kJ D: 5.4 kJ

task 3

Which of the following statements is not true for an adiabatic process? A: The temperature is constant

B: pV is constant C: The system does not exchange heat with circumstances D: pVT is constant

please can somebody help me with a clear explaination thanks!!!