1. As the skiers move down the mountain their potential energy is converted into what?

2. As the skiers travel down the slope, a portion of their total energy is lost. This means that when they perform their tricks, they will never go as high as they were when they first pushed off from the gate. Describe how this energy is lost?

3. In the ski jump, all skiers launch from the same location. What would cause them to have

different amounts of potential energy?

1. Potential energy is converted into kinetic energy since they are in motion.

2. As they slope down, work is done against the dissipative forces e.g; Air resistance, viscosity ( friction ). Hence energy is lost.

3. Different weights and heights at which they started sloping.

where mg is the weight.

h is the height moved

therefore, weight and height determines the potential energy.

when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min