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Savatey [412]
4 years ago
6

The main difference between the internal combustion engine and the diesel engine is that the diesel engine

Physics
1 answer:
rosijanka [135]4 years ago
8 0
The correct answer is (b.) does not have crankshaft. The main difference between the internal combustion engine and the diesel engine is that the diesel engine does not have a crankshaft. The crankshaft is for the conversion of the reciprocal into a circular motion.
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The frequency of a wave is 10 Hz. If the speed of the wave is 5 m/s, what is the wavelength? A. 0.5 m B. 2 m C. 10 m D. 50 m
Sladkaya [172]
I'm pretty sure the answer is A. 0.5. Sorry if i'm wrong.
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4 years ago
When the temperature of a certain solid, rectangular object increases by AT, the length of one
Alex

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3 years ago
Are volcanoes fed by highly viscous magma a greater threat to life and property than volcanoes supplied with very fluid magma?
butalik [34]

Answer:

A volcano fed by highly viscous magma is likely to be a greater threat to life and property than a volcano supplied with very fluid magma because with high viscous magma gas is trapped more in the magma so the gas will build up and then eventually explode, whereas with fluid magma the gas can escape allowing the magma.

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Explanation:

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3 years ago
PLEASE HELP IF YOUR GOOD AT PHYSICS!!!The speed of a bullet train is measured to be 312.0 mph 3.9 mph. What is the percent
IgorC [24]

Answer: D

Explanation:

6 0
3 years ago
A carpenter is driving a 15.0-g steel nail into a board. His 1.00-kg hammer is moving at 8.50 m/s when it strikes the nail. Half
bekas [8.4K]

Answer: The increase in temperature of the nail after the three blows is 8.0636 Kelvins. The correct option is (d).

Explanation:

Kinetic energy of the hammer ,K.E.=

\frac{1}{2}mv^2=\frac{1}{2}1.00 kg\times (8.50 m/s)^2=36.125 J

Half of the kinetic energy of the hammer is transformed into heat in the nail.

Energy transferred to the nail in one blow =

\frac{1}{2}K.E.=\frac{1}{2}\times 36.125 J=18.0625 J

Total energy transferred after 3 blows,Q =3\times 18.0625 J=54.1875 J

Mass of the nail = 15 g = 0.015 kg

Change in temperature =\Delta T

Specif heat of the steel = c = 448 J/kg K

Q=mc\Delta T

54.1875 J=0.015 kg\times 448 J/kg K\times \Delta T

\Delta T=8.0636 K\approx 8.1 K

The increase in temperature of the nail after the three blows is 8.1  Kelvins.Hence, correct option is (d).

4 0
3 years ago
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