Kami has 7 liters of water to fill water bottles that each hold 2.8 liters. How many bottles can she fill?
2 answers:
Answer:
2 and one half bottles can be filled.
Step-by-step explanation:
Kami has 7 liters of water to fill the water bottles.
Each bottle hold 2.8 liters of water.
We will divide 7 liters by 2.8 liters to get the number of bottles.
The number of bottles she can fill =
= 2.5 bottles
2 and a half bottles can be filled.
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Answer:
a. The time to strike the ground is 5 seconds
b. The time for the ball to be over than 96 ft is 1 second
Step-by-step explanation:
a. When the ball thrown vertically up ward to reach its maximum height at velocity = 0 then complete its motion vertically down ward to strike the ground its displacement = zero
∴ s(t) = 0 ⇒
∴
5 - t = 0⇒ ∴ t = 5 seconds
b. To tind the time that the ball will be over 96 ft over the ground substitute in
t = 3 sec. and t = 2 sec.
The ball will be at height 96 ft at time 2 sec. and 3 sec.
So the ball will be at height over than 96 = 3 - 2 = 1 sec.