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SSSSS [86.1K]
3 years ago
8

Students in physical education class must _____?

Physics
1 answer:
V125BC [204]3 years ago
6 0
All of above






.........
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A steel rod has a diameter of 3.75cm.Express it's diameter in millimeters and meter
romanna [79]

Answer:

3.75cm into millimetres

= 3.75 * 10

37.5 millimetres

3.75 cm into metres

3.75/100

= 0.0375m

6 0
3 years ago
Sirens and flashing lights do NOT indicate that
sergij07 [2.7K]
Golf cart is the answer
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3 years ago
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You hear a tone and recognized it to me 512 Hz and you know that the speed of sound
Zigmanuir [339]

Answer:

Explanation:

The frequency equation is

f=\frac{v}{\lambda} where f is frequency measured in Hz, v is velocity of sound measured in m/s and \lambda is wavelength measured in meters. Filling in our given info:

512=\frac{340}{\lambda} and

\lambda=\frac{340}{512} so

\lambda=.664 m (That is the incorrect number of sig dig's by the way. It should only be 2 since the number 340 only has 2 sig dig's)

6 0
3 years ago
How does the energy of a system change during a phase change?
lianna [129]

Answer:

They are changes in bonding energy between the molecules. If heat is coming into a substance during a phase change, then this energy is used to break the bonds between the molecules of the substance. ... At the moment of melting the average kinetic energy of the molecules does not change.

Explanation:

5 0
3 years ago
Which federal agency helps foreign governments with international conservation efforts?
TEA [102]

Answer:

US Fish and Wildlife Service

Explanation:

The federal agency that helps foreign governments with international conservation efforts are the US Fish and Wildlife Service. This organization focus includes enforcing federal wildlife laws, protecting endangered species, manage migratory birds, restoring nationally significant fisheries; conserving and restoring wildlife habitat, such as wetlands, and even helping foreign governments with their international conservation efforts.

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4 years ago
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