ashley_sagaert
New member
- Joined
- Oct 5, 2007
- Messages
- 3
a daredevil jumps off the CN tower and falls freely for several seconds before releasing his parachute. his height, h(t), in metres, t seconds after jumping, can be modelled by
h1(t)= -4.9t^ + t + 360 before he released his parachute; and
h2(t)= -4t + 142 after he released his parachute.
How long after jumping did the daredevil release his parachute?
h1(t)= -4.9t^ + t + 360 before he released his parachute; and
h2(t)= -4t + 142 after he released his parachute.
How long after jumping did the daredevil release his parachute?