Answer:
x=14.4
Step-by-step explanation:
x=
x=
x=
x=
x=14.4
Answer:
The ball will strike the ground at time t = 21sec .
Answer:
c=10mm
Step-by-step explanation:
Using pythagoras theorem,
hypotenuse²=base²+altitude²
=√19²+9²
=19+81
=100
Hypotenuse²=100
Hypotenuse=√100
=10