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Anettt [7]
3 years ago
11

Technician A says that the radiator should always be inspected for leaks and proper flow before installing a rebuilt engine. Tec

hnician B says that overheating during slow city driving can be caused by a defective electric cooling fan. Who is right?
A. Technician A
B. Technician B
C. Both Technicians
D. Neither Technician A nor Technician B
Physics
1 answer:
Slav-nsk [51]3 years ago
8 0

Answer:

Both the technicians are right so option C is correct

Explanation:

Both the technicians are right so option C is correct

while installing a rebuilt engine, it is necessary to inspect the leaks and proper flow because if there is leak then cooling oil will flow out of the engine which results in engine heating. Secondly flow should be proper otherwise the oil will not reach to all parts and may cause heating of some parts of engine.

If the cooling fan is defective it won't be suck enough heat from engine and it will also cause heating.

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A solid metal sphere with radius 0.430 m carries a net charge of 0.270 nC . Part A Find the magnitude of the electric field at a
rodikova [14]

Answer:

8.46 N/C

Explanation:

Using Gauss law

E=\frac {kQ}{r^{2}}

Gauss's Law states that the electric flux through a surface is proportional to the net charge in the surface, and that the electric field E of a point charge Q at a distance r from the charge

Here, K is Coulomb's constant whose value is 9\times 10^{9} Nm^{2}/C^{2}

r = 0.43 + 0.106 = 0.536 m

E=\frac {9\times 10^{9}\times 0.270\times 10^{-9}}{0.536^{2}}=8.4581755402094007\approx 8.46 N/C

8 0
4 years ago
A hockey puck slides across the ice with an initial velocity of 7.3 m/s .It has a decleration of 1.1 m/s and is traveling toward
sashaice [31]

Answer:

t = 6.63 s

Explanation:

Given that,

Initial velocity of the puck, u = 7.3 m/s

Deacceleration of the puck, a = -1.1 m/s²

Distance traveled, d = 5 m

We need to find the time the goalie have to stop the puck. Using equation of motion.

v = u +at

v = 0 (stops)

So,

u=-at\\\\t=\dfrac{u}{-a}\\\\t=\dfrac{7.3}{-(-1.1)}\\\\t=6.63\ s

So, the required time is 6.63 seconds.

6 0
3 years ago
Charge is distributed uniformly along a long straight wire. the electric field 2 cm from the wire is 20 n/c. the electric field
Serjik [45]

The electric field 4cm from the wire is

É = 10nc { }^{ - 1}

Given:

charge is distributed uniformly along a long straight wire.

electric field 2cm from the wire is 20n/c

To find:

electric field 4cm from the wire

what is electric field?

Electric field is the region around charge particle or charged body in which if another charge is placed it experiences electrostatic force.An electric field is the physical field that surrounds electrically charged particles and exerts force on all other charged particles in the field, either attracting or repelling them.

E   ∝ \frac{1}{r}

\frac{E}{É}  =  \frac{r2}{r1}

\frac{20}{ É }  =  \frac{4}{2}

É =  \frac{40}{4}

É = 10nc {}^{ - 1}

thus the electric field 4cm from the wire is

É = 10nc { }^{ - 1}

learn more about electrostatic force from here: brainly.com/question/28166144

#SPJ4

7 0
2 years ago
The periodic wave in the diagram below has a frequency of 80. hertz.
ASHA 777 [7]

Answer:

hi how are you

2) 5/8

4) 5/8

6 0
3 years ago
A gas is enclosed in a confainer fitted with a piston of cross sectional area 0.10 the pressureof the gas is maintained in 8000
Arlecino [84]

Answer:

10 Joule

Explanation:

The solution and answer are well written in the Pic above.

6 0
3 years ago
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