Taking the point directly under the center of the bridge as the origin,
x = 20t, y = 15t, z = 10
let s be thedistance between them at time t,
s^2 = (20t)^2 + (15t)^2 + 10^2 = 625t^2 + 100
2s ds/dt = 1250t
ds/dt = 625t/s
when t = 3, s = √(625*9+100) = 75.6637
ds/dt = 625*3/75.6637 = 24.78 m/s
Answer:
Triangle CED
Step-by-step explanation:
C and M need to both be at the same places in their respective equations.
Answer:
See below
Step-by-step explanation:
Answer choices:
1. The potato was launched from the ground.
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False. 20 feet above the ground
2. The flight is symmetric about the line t = 2.
-
False. Line of symmetry is t=3
3. The potato reaches a maximum height of about 3 ft
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False. Maximum height is about 150 ft
4. The potato is in the air during the interval 0
- Unclear. no interval given
5. The potato reaches its maximum height after about 3 seconds in flight.
6. h(2)=h(5)
- False. h(2) = 140 ft, h(5) = 80 ft
Answer:
The sum of 15 and a number is
85 - 15 = 70
Answer:
When making bread from scratch, the recipe calls for 2/3 cup of water
Step-by-step explanation:
