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strojnjashka [21]
4 years ago
15

A car is traveling 12m/s. It approaches a stop sign and decelerates at 4.0m/s squared. How long does it take the car to stop?

Physics
1 answer:
beks73 [17]4 years ago
8 0
It would take
12/4 = 3
that's 3 seconds ..
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Technician A says a short to voltage may or may not blow a fuse and may or may not affect more than one circuit. Technician B sa
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Answer:

C. Both A and B

Explanation:

Fuses are rated by the amperage they can carry before heat melts the element. The fuse is ideal for protection against short circuits. Short circuits produce enough amperage to vaporize a fuse element and break connection in one cycle of a 60-cycle system.

Specifically, the voltage rating determines the ability of the fuse to suppress the internal arcing that occurs after a fuse link melts and an arc is produced.

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4 years ago
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makkiz [27]

Answer:

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3 0
3 years ago
The specific heat of a certain type of cooking oil is 1.75 J/(g⋅°C).1.75 J/(g⋅°C). How much heat energy is needed to raise the t
Murljashka [212]

Answer:

Heat energy required = 687.96 kJ

Explanation:

Heat energy required, H = mCΔT.

Mass of cooking oil, m = 2.34 kg = 2340 g

Specific heat of cooking oil, C = 1.75 J/(g⋅°C)

Initial temperature = 23 °C

Final temperature = 191 °C

Change in temperature, ΔT = 191 - 23 = 168 °C

Substituting values

            H = mCΔT

            H = 2340 x 1.75 x 168 = 687960 J = 687.96 kJ

Heat energy required = 687.96 kJ

7 0
3 years ago
John walked from his home to work, it took him 12 min and the distance covered was 3 km. calculate the average speed in m/s
Svetlanka [38]

Answer:

4.167

Explanation:

ittravels 4.167metres per second

8 0
2 years ago
How do the charge and mass of a neutron compare to the charge and mass of a proton
gogolik [260]

Answer:

The proton and neutron have the mass and proton have more charge nad neutron  

Explanation:

We have to compare the mass and charge on proton and neutron

According to experiments the mass of proton and mass of neutron both have approximately same mass which is equal to =1.67\times 10^{-27}kg

And charge on proton is 1.6\times 10^{-19}C and neutron is uncharged , that is there is no charge on neutron

So the proton and neutron have the mass and proton have more charge nad neutron

8 0
3 years ago
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