A steam engine generating 5 hp is raising a load weighing 2000 lb.How high will thebload be raised in 10 s.

Yellow light passes through a diffraction grating. it's first order maximum occurs at an angle of 21.2. What is the slit separat

likoan [24]

Answer:

19.284

or

9.33

Explanation:

5 0

3 years ago

a fixed mass of gas occupies a volume of 1000 CM3 at 0 degree celsius if it is heated at constant pressure of 100 degree celsius

evablogger [386]

Answer:

P V = N R T ideal gas equation

V1 = k * T1 if P is constant and also N and R will be constant

V2 = k * T2 where k is some constant

Or V2 = (T2 / T1) * V1 also known as "Charles Law" for expansion at

constant pressure

V2 = (373 / 273) * 1000 cm^3 = 1366 cm^3 where T is absolute temperature

6 0

3 years ago

Which of the following is a pure substance that can't be separated by physical means, and can't be decomposed into other substan

g100num [7]

Your answer is C. element

6 0

3 years ago

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A singly charged positive ion has a mass of 3.46 × 10−26 kg. After being accelerated through a potential difference of 215 V the

jasenka [17]

Answer:

1.8 cm

Explanation:

$m$ = mass of the singly charged positive ion = 3.46 x 10⁻²⁶ kg

$q$ = charge on the singly charged positive ion = 1.6 x 10⁻¹⁹ C

$\Delta V$ =Potential difference through which the ion is accelerated = 215 V

$v$ = Speed of the ion

Using conservation of energy

Kinetic energy gained by ion = Electric potential energy lost

$(0.5) m v^{2} = q \Delta V\\(0.5) (3.46\times10^{-26}) v^{2} = (1.6\times10^{-19}) (215)\\(1.73\times10^{-26}) v^{2} = 344\times10^{-19}\\v = 4.5\times10^{4} ms^{-1}$

$r$ = Radius of the path followed by ion

$B$ = Magnitude of magnetic field = 0.522 T

the magnetic force on the ion provides the necessary centripetal force, hence

$qvB = \frac{mv^{2} }{r} \\qB = \frac{mv}{r}\\r =\frac{mv}{qB}\\r =\frac{(3.46\times10^{-26})(4.5\times10^{4})}{(1.6\times10^{-19})(0.522)}\\r = 0.018 m \\r = 1.8 cm$

5 0

3 years ago

Sometimes a new experimental result may seem to go against a well-established scientific theory. Which statement BEST describes

MrMuchimi

The best thing to do in this case is to redo the experiment and re record the info, it has to be precise and accurate so you also have to check if your procedure is correct. If the results are both accurate and precise then you have to report your findings to the committee of that specific field. <span />

7 0

3 years ago

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A steam engine generating 5 hp is raising a load weighing 2000 lb.How high will thebload be raised in 10 s.​

A steam engine generating 5 hp is raising a load weighing 2000 lb.How high will thebload be raised in 10 s.