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Pavel [41]
3 years ago
14

Madelyn wanted to learn what sorts of things around the house are magnetic. She took a magnet around and touched it to many thin

gs to see if it tried to stick. Here are the items she tried and what she found. What can Madelyn conclude from the above results?
A. All silver objects are magnetic. B. Not all metals are magnetic. C. All magnetic metals are silver. D. All metals are magnetic.
Physics
1 answer:
madreJ [45]3 years ago
7 0

Answer:

b.

Explanation:

i just finished a chapter about this

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Hey guys! Am I right? Thanks!
worty [1.4K]

Answer:

the correct answer is reduce friction

5 0
3 years ago
A 5.00 g bullet traveling 355 m/s is stopped by lodging in the side of a building. The heat produced is shared between the build
steposvetlana [31]

Answer:

Explanation:

Given

mass of bullet m=5\ gm

speed of bullet v=355\ m/s

bullet is stopped by building and heat produced is shared between building and bullet

Kinetic Energy of bullet is converted into Thermal energy

Kinetic Energy of bullet K=\frac{1}{2}mv^2

K=0.5\times 5\times 10^{-3}\times (355)^2

K=315.06\ J

So 315.06 J of Energy is converted in to thermal energy

7 0
3 years ago
Please help!<br> Drag and drop the words into the correct locations
Stells [14]

Answer:

background radiation

uniform

13700000000 years ago

7 0
3 years ago
Read 2 more answers
An automobile accelerates from rest at 1+ 3* sqrt (t) mph/sec for 9 seconds.
Stels [109]
Writing the acceleration as a function of time:
a(t) = 1 + 3√t

Integrating acceleration, we obtain velocity:
v(t) = t + 2(t)^(3/2) + c;
object at rest so velocity at t = 0 is 0 so c = 0.
v(t) = t + 2(t)^(3/2)

Integrating velocity to obtain an equation for displacement:
d(t) = t²/2 + 4/5 t^(5/2) + c
Applying limits from t = 0 to t = 9
d = 9²/2 + 4/5 9^(5/2)
d = 234.9 m
3 0
3 years ago
19.
OLEGan [10]
I believe that it is C.
8 0
3 years ago
Read 2 more answers
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