a) take up as positive diraction =(80m/s) sin10 a=-9-8m/s Ad=0 (back to ground level so no...

Transcribed Image Text:

a) take up as positive diraction =(80m/s) sin10 a=-9-8m/s Ad=0 (back to ground level so no vertical desplacement) 4 = ? 1 Ad=vAt+(A) 2 80 sin10 A+(-98m/s)(A+)= 0-13-9A-4-9m/s (At) At=1.7s (4 marks) b) Ady At Ad (80cos10 (1.68s) using unrounded value = Ad=132m a) take up as positive diraction =(80m/s) sin10 a=-9-8m/s Ad=0 (back to ground level so no vertical desplacement) 4 = ? 1 Ad=vAt+(A) 2 80 sin10 A+(-98m/s)(A+)= 0-13-9A-4-9m/s (At) At=1.7s (4 marks) b) Ady At Ad (80cos10 (1.68s) using unrounded value = Ad=132m