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Butoxors [25]
3 years ago
15

3. A 64 lb weight stretches a spring 4 ft in equilibrium. The weight is initially displaced 6 inches above equilibrium and given

a downward velocity of 6 ft/sec. Find its displacement for t > 0 if the medium resists the motion with a force equal to 3 times the speed in ft/sec (that is, the damping constant c = 3). Note that there is no external force in this case.

Physics
1 answer:
Damm [24]3 years ago
6 0

Answer:

Explanation:

the solution is given in the attached pictures

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SI Prefix Meaning
LenKa [72]
- deci: one-tenth.
- centi: one-hundredth.
- nano: one-billionth.

hope this helps :)
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3 years ago
What is a example of a real life scientific inquiry problem
Papessa [141]
What is an example of how you can use scientific inquiry to solve a real life problem.
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3 years ago
The wavelength of green light is about the size of an atom. (T/F)
Snowcat [4.5K]

Explanation:

The wavelength of green light is about 500 nanometers, or two thousandths of a millimeter. The typical wavelength of a microwave oven is about 12 centimeters, which is larger than a baseball.

5 0
3 years ago
I need help with this problem.
tamaranim1 [39]

Answer:

Explanation:

Line CD

7 0
3 years ago
(b) A piece of wood of volume 0.6 m² floats in water. Find the volume
enot [183]

Answer:

Explanation:

Let the volume below water be v . Then

buoyant force = v d g where d is density of water , g is acceleration due to gravity

= v x 1000 x g

weight of wood piece = volume x density of wood x g

= .6 x 600 x g

for equilibrium while floating

buoyant force = weight

= v x 1000 x g  =  .6 x 600 x g

v = .36 m²

volume above water or volume exposed = .6 - .36

= .24 m²

When immersed completely ,

buoyant force = .6 x 1000 x 9.8

= 5880 N

weight of wood

=  .6 x 600 x g

= 3528 N

buoyant force is more than the weight . In order to equalise them for floating with full volume in water

weight required = 5880 - 3528

= 2352 N.

6 0
3 years ago
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