Answer:
Scientific explanation is aimed at shedding light into natural phenomenon through the use of measurement results and observations.
The groups to benefit from the claim are:
- People who sell coffee with caffeine
- Diners that serve coffee with caffeine
- Soda manufacturers that sell caffeinated drinks
- Manufactures of caffeinated energy sports drink
The above selection are correct due to the following reasons:
The claim in the question is: <em>"Caffeine improves mental alertness and motor coordination"</em>
The assertions of the claim are:
- Caffeine improves mental alertness, meaning that by taking caffeine, a person becomes more alert and/or aware of the environment as well as being able to keep up better at task, which are desirable for work related activities
- Caffeine improves motor coordination; Motor coordination refers to the ability to involve multiple parts of the body to achieve complex motion. The ability to improve motor coordination can create demand for caffeine among active people
Based on the above association of caffeine to benefits that are desired by active people, (working people that generate income), the groups that would benefit most from the claim are, the dealers in caffeinated products including:
- <u>People who sell coffee with caffeine</u>
- <u>Diners that serve coffee with caffeine</u>
- <u>Soda manufacturers that sell caffeinated drinks</u>
- <u>Manufactures of caffeinated energy sports drinks</u>
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Learn more about the scientific explanations here:
brainly.com/question/6872942
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Although Alfred Wegener was considered as the "Father of the Plate Tectonics Theory", his theory was furthermore revised by Arthur Holmes. It was this scientist who suggested that the plate motions could be subjected from convection currents on the mantle. These convection currents would lead to the formation of different landforms.
Answer:
Explanation:
Hi!
We define the point (0,0) as the intial position of the ball. The initial velocity is
The motion of the ball in the horizontal direction (x) has constant velocity, because there is no force in that direction. :
In the vertical direction (y), there is the downward acceleration g of gravity:
(note the minus sign of acceleration, because it points in the negative y-direction)
When the ball hits the ground, at t = 65s, y(t = 65 s) = 0. We use this to find the value of the initial vertical velocity:
We used that g = 9.8 m/s²
To find the horizonttal component we use the angle:
To solve the problem, you should first convert the 20ft to
meters so it is much easier.
20 feet is equals to 6 meters; rounded off to the nearest
whole number.
Solution:
V1 = v
V2 = 0
T1 = ½ mv^2
T2 – 0
U 1-2 = -mgh
d = 6m
--AB^2 = (10m)^2 = d^2 + y^2 = (6m)^2 = y^2
Y^2 = 100 – 36 = 64
Y = sqrt64
h = 10 – y = 10 – sqrt64 = 10 – 8 = 2 m
U 1- 2 = -m (9.81) (2) = -19.62
T1 + U1-2 = T2
1/2mv^2 – 19.62m = 0
v^2 = (2) (19.62) = 39.24