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krok68 [10]
3 years ago
7

Prototypes rely on which of the following?

Physics
1 answer:
statuscvo [17]3 years ago
8 0
<span>IM gonna go with B.)Similarities</span>
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D. A bargain hunter purchases a "gold" crown at a flea market. After she gets home, she hangs it from a scale and finds its weig
s2008m [1.1K]

Answer:

Wc = 7.84    weight of crown

Ww = 7.84 - 6.86 = .98       weight of water displaced

Density = 7.84 / .98 = 8     crown is 8 X that of water

Since gold has a density of 19.3 that of water the crown is certainly not 100 percent (if any) gold  

4 0
2 years ago
A large object las Less of an attraction on a smaller <br><br> True <br> False
leva [86]
Do you mean ‘Does a larger object have less attraction than a smaller object?’ If so, then the answer is objects with a larger mass exert more attraction while objects with a smaller mass have less attraction.
6 0
3 years ago
Consider a plywood square mounted on an axis that is perpendicular to the plane of the square and passes through the center of t
belka [17]

Answer:

T= 8.061N*m

Explanation:

The first thing to do is assume that the force is tangential to the square, so the torque is calculated as:

T = Fr

where F is the force, r the radius.

if we need the maximum torque we need the maximum radius, it means tha the radius is going to be the edge of the square.

Then, r is the distance between the edge and the center, so using the pythagorean theorem, r i equal to:

r = \sqrt{(0.38m)^2+(0.38m)^2}

r = 0.5374m

Finally, replacing the value of r and F, we get that the maximun torque is:

T = 15N(0.5374m)

T= 8.061N*m

4 0
4 years ago
The standard wave format for any wave is _________wave. When depicting ______ wave in standard wave format, the direction of mot
Svetlanka [38]

Answer;

  • Transverse wave
  • Longitudinal wave
  • Electromagnetic wave

The standard wave format for any wave is transverse wave. When depicting longitudinal wave in standard wave format, the direction of motion must be rotated by 90 degrees. Only one of two waves is shown at a time when placing electromagnetic wave in standard wave format.

Explanation;

Transverse wave is a wave in which the vibration of particles is perpendicular with the direction of the wave motion. Longitudinal wave on the other hand are waves in which the vibration of particles is parallel to the direction of the wave motion.

Electromagnetic waves are wave which do not require a material medium for transmission, they include, radio waves, microwaves, UV light, etc. Most electromagnetic waves are transverse in nature.

7 0
3 years ago
Read 2 more answers
What is it that lives if it is fed, and dies if you give it a drink?
IceJOKER [234]
A fire because you feed it wood, it lives longer but if you give it a drink, water, then it dies.
6 0
3 years ago
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