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IRINA_888 [86]
3 years ago
7

A ________ is a government-regulated maximum price for goods.

Physics
1 answer:
Simora [160]3 years ago
8 0
<span>D. price ceiling
</span><span>This is a government regulation that establishes a maximum price for a particular good.</span><span>

</span>
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A horizontal spring with spring constant 950 N/m is attached to a wall. An athlete presses against the free end of the spring, c
OLga [1]

Answer:

66.5N

Explanation:

F = kx

Where F = force

K = spring constant

x = compression

Given

K = 950N/m

x = 7.0cm

F = ?

First convert the compression to meters .

7.0cm = 7.0 x 0.01

= 0.07 meters

Therefore

F = 950 x 0.07

= 66.5N

4 0
3 years ago
A camcorder has a power rating of 16 watts. If the output voltage from its battery is 7 volts, what current does it use?
GenaCL600 [577]

Power= current*voltage or P=IV

so 16 watts=I*7 volts

divide on both sides to isolate I so you get

I= 16/7 which is about 2.3 amps

8 0
3 years ago
6) A stone is thrown vertically upward and returns to its starting position in o 5 s,What was its initial velocity?
NikAS [45]
25m/s if you are using -10 as gravity
3 0
3 years ago
Tina is driving her sports car down US1, traveling 27m/s. She sees her friend Rita up ahead, waiting to cross the street at the
mrs_skeptik [129]

Answer:

434 Hz

Explanation:

According to the Doppler effect, when a source of a wave is moving towards an observer at rest, then the observer will observe an apparent frequency which is higher than the original frequency of the source.

In this situation, Tina is driving towards Rita. Tina is the source of the sound wave (the horn), while RIta is the observer. Since the original frequency of the sound is 400 Hz, Rita will hear a sound with a frequency higher than this value.

The only choice which is higher than 400 Hz is 434 Hz, so this is the frequency that Rita will hear.

3 0
3 years ago
Oxygen is a reactant in a combination reaction, which always produces energy in the form of heat and light. A. True B. False
harkovskaia [24]
The answer is B.False
8 0
3 years ago
Read 2 more answers
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