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Gala2k [10]
3 years ago
11

Calculate the surface area of a circle with radius 3.5 CM​

Physics
1 answer:
Sedaia [141]3 years ago
5 0

........loke above in the picture

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a football player kicks a ball with a mass of 0.42kg. The average acceleration of the football was 14.8 m/s2. How much force did
Zarrin [17]

Answer:

6.216 N

Explanation:

As for Newton's second law of motion

F=ma

where F= the acting force

           m=subjected mass

           a= the acceleration

applying F=ma to the football

F=m*a

 =0.42*14.8

 =6.216 N

6.216 N of a force is supplied to the ball

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3 years ago
An object with a mass of 10 kg is accelerated upward at 2 m/sec2. What force is required?
telo118 [61]

Answer:

Answer: Given m = 10 kg and . F = 20 N. Thus, the force required to accelerate the object upward direction is 20 N.

Explanation:

Answer: Given m = 10 kg and . F = 20 N. Thus, the force required to accelerate the object upward direction is 20 N.

6 0
3 years ago
A straight railroad track is being built to connect two cities. the measured distance of the track between the two cities is 160
elena55 [62]
Let point A be 0.0 miles (first city)
Let point B be 160.5 miles (first city to second city)
Let point C be 28.5 miles (first city to mail stop)

Take C – A = C [28.5 - 0.0 = 28.5] (This checks the distance between city 1 and Mail stop) 

Then Take B – C = Distance from the first city to the second city [160.5 - 28.5 = 132 Miles]


Answer: The Mail stop is 132 miles from the Second City.
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3 years ago
A block slides down a rough ramp with a 30-degree incline as shown.
In-s [12.5K]

Answer:

Image 4 ?

Explanation:

5 0
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An experiment is designed to test what color of light will activate a photoelectric cell the best. The photocell is set in a cir
chubhunter [2.5K]
The photocell<span>-- The click rate depends upon the filter selected.</span>
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3 years ago
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