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uysha [10]
1 year ago
11

Objects 1 and 2 attract each other with a electrostatic force

Physics
1 answer:
algol131 year ago
5 0

Answer:

72.0 + 72.0 whatever you get for that answer

Explanation:

I don't know what else to put

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What is the average speed of a car that travelled 400 miles in 6 hours?
Reil [10]

Answer:

About 66 miles per hour

Explanation:

Based on the information given we can assume the car traveled the same number of miles every hour meaning all we need to do is divide.

400/6 ≈ 66 miles per hour

8 0
3 years ago
Read 2 more answers
The blades of a fan running at low speed turn at 250 rpm. When the fan is switched to high speed, the rotation rate increases un
fgiga [73]

Answer:

1.82 rad/s².

Explanation:

Applying,

α = (ω₂-ω₁)/t..................... Equation 1

Where α = angular acceleration of the fan blades, ω₂ = final angular velocity of the fan blades, ω₁ = initial angular velocity of the fan blades, t =  time.

Given: ω₂ = 350 rpm = (350×0.1047) rad/s = 36.645 rad/s. ω₁ = 250 rpm = (250×0.1047) rad/s = 26.175 rad/s, t = 5.75 s.

Substitute into equation 1

α = (36.645-26.175)/5.75

α = 10.47/5.75

α = 1.82 rad/s².

Hence the magnitude of the angular acceleration of the fan blades = 1.82 rad/s²

8 0
3 years ago
imagine that a brown horse and a white horse cross of producing Offspring who Coke is made of some brown hairs and some white ha
Zolol [24]
This pattern would be a codominant pattern.
4 0
3 years ago
Read 2 more answers
a speed swimmer love to race around the parks pine which is 25m around if she can swim 20 laps in 7200s what is her average spee
aleksley [76]

Answer:

the average speed of the swimmer is 0.069 m/s.

Explanation:

Given;

complete distance around the park pine, d = 25 m

total lap completed, = 20 laps

time of laps completion, t = 7200 s

The total distance completed by the swimmer = 20 x 25 = 500 m

The average speed of the swimmer = distance / time

                                                            = (500 m) / (7200 s)

                                                            = 0.069 m/s.

Therefore, the average speed of the swimmer is 0.069 m/s.

8 0
3 years ago
a 100 N block on a 30 incline, is being held motionless by friction. The coefficient of static friction between the block and th
nirvana33 [79]
The answer would be 50N
7 0
3 years ago
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