HELP PLS I NEED THIS

1.318m

Explanation:

The set up is a right angled triangle

Horizontal distance is the distance covered by the hurdler = 0.535m =adjacent

Angle of elevation = 67.9°

Height of the hurdler = opposite

Using the SOH CAH TOA identity

Using the TOA identity

Tan67.9° = opp/adj

Tan67.9 = opp/0.535

Opp = 0.535tan67.9°

Opp = 1.318m

Hence the required height is 1.318m

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