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Gemiola [76]
3 years ago
10

Cassie lives two miles away from school. Which mode of transport could benefit her health? 

Physics
2 answers:
lord [1]3 years ago
4 0
B.) Riding a bicycle to school.
Umnica [9.8K]3 years ago
4 0
I would say B. Riding a bicycle to school
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a ball was projected in such a way that it attained the maximum horizontal distance with a velocity of 20m/s calculate the verti
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Answer:

80m

Explanation:

u=20,R=?,sin theta=1,g=10

R=u²sin2theta/g

R=20²x2/10

R=400x2=800/10

R=80m

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If a moving object travels for a distance of 160 m. In 20 seconds what’s the average speed
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A sailboat is heading directly north at a speed of 20 knots (1 knot 50.514 m/s). the wind is blowing toward the east with a spee
stellarik [79]
(a) The magnitude of the wind as it is measured on the boat will be the result of the two vectors. Since they are at 90°, the resultant can be determined by the Pythagorean theorem.
 
                   R = sqrt ((20 knots)² + (17 knots)²)
                    R = sqrt (400 + 289)
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The direction of the wind will have to be angle between the boat and the resultant.
                   cos θ = (20 knots)/(26.24 knots)
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Hence, the direction is 40.36° east of north.

(b) As stated, the wind is blowing in the direction that is to the east. This means that it only has one direction. Parallel to the motion of the boat, the magnitude of the wind velocity will have to be zero. 
5 0
4 years ago
Classify pH values of 9.1, 1.2, and 5.7 as basic, acidic, or very acidic.
kramer
9.1 basic since > 7
1.2 VERY acidic << 7
<span>5.7 acidic < 7 </span>
4 0
3 years ago
Which energy source has no greenhouse gas emissions or health impacts on humans, but is only
NARA [144]

Answer:

i mean i would think solar engery example solar panels

Explanation:

man i tried for you sorry if i wasnt much help

7 0
3 years ago
Read 2 more answers
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