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Arada [10]
3 years ago
7

Please help. Possibly more than one answer:

Physics
1 answer:
attashe74 [19]3 years ago
4 0

Answer:

air friction

Explanation:

this helps with take of and landing.

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A wrench 0.500 m long is applied to a nut with a force of 80.0 N. Because of the cramped space, the force must be exerted upward
riadik2000 [5.3K]

Answer:

Torque, \tau=34.6\ N.m

Explanation:

It is given that,

Length of the wrench, l = 0.5 m

Force acting on the wrench, F = 80 N

The force is acting upward at an angle of 60.0° with respect to a line from the bolt through the end of the wrench. We need to find the torque is applied to the nut. We know that torque acting on an object is equal to the cross product of force and distance. It is given by :

\tau=Fr\ sin\theta

\tau=80\times 0.5\ sin(60)

\tau=34.6\ N.m

So, the torque is applied to the nut is 34.6 N.m. Hence, this is the required solution.

7 0
3 years ago
The unique sound quality of a clarinet or a violin is caused by the a. forced vibrations that occur at natural frequencies. b. l
julia-pushkina [17]

Answer:

The unique sound quality of a clarinet or a violin is caused by the relative intensity of different harmonics in each note.

7 0
3 years ago
When two ions with the same charge come together, their electric fields will
erastovalidia [21]

Answer:

B. Bend away from each other

Explanation:

8 0
3 years ago
Read 2 more answers
Thickness of the filmThe UC Davis physicist measures the thickness of a layer of a benzene with nb= 1.50 by shiningmonochromatic
ANEK [815]

Answer:

Explanation:

  • Given λ = wavelength of light reflected = 635 nm
  • Using the equation ; 2 nb t = (m - (1/2)λ
  • nb= 1.50

Plugging the values in the equation ;

  • 2 (1.50) t = (1 - (1/2) (635)
  • t = 105.83 nm = the minimum thickness of the film

b) To calculate the wavelength of the most reflected visible light ;

  • From the equation 2 nb t = mλ
  • λ' =  2 nb t/m

Plugging the values into the equation

  • 2 (1.50) (105.83) = λ'
  • λ' = wavelength = 317.5 nm

6 0
3 years ago
Which of the following statements is false?
Allushta [10]

Answer:

C

Explanation:

The weight of an object is 1/6 of the earth's weight in the moon

For example if your weight is 54 kg on earth,

Weight on moon=1/6 of 54=1/6 x 54 = 9kg

7 0
3 years ago
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