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Eva8 [605]
3 years ago
6

Compare the de Broglie wavelength of a golf ball moving at 70.0 miles per hour (31.3 m/s) to that of an alpha particle moving at

3.40E+7 miles per hour (1.52E+7 m/s) and a bullet with a speed of 700 miles per hour (313 m/s). Which region of the electromagnetic spectrum are each of these wavelengths near
Physics
1 answer:
sergiy2304 [10]3 years ago
6 0

Answer:

1. Golf ball is in the range of only particulate detectable range

2, alpha partcle is in ultraviolet range of wavelength

3.bullet is in xray range of wavelength

All in the EMW spectrum

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Debbie places two shopping carts in a cart Corral. she pushes the first cart, which then pushes a second cart. what force is bei
Bingel [31]

When Debbie pushes the first cart she is using an applied force. An applied force is created when someone or something pushes another thing using, of course, an applied force. Now, when the second cart is being pushed by the first cart, this is also an applied force. You can tell because the first cart is being pushed using forced and this causes the second cart to be pushed using some of the force that is being transmitted to the first cart.


Debbie exerts applied force on the first cart. The first cart exert applied force on the second cart.



- Marlon Nunez

6 0
3 years ago
Can somebody help me please
Eddi Din [679]
51 inches.

This is because a stem-plot is formatted as so:

If it’s 5 on the left side of the line, anything on the right is the ones place making possible numbers 51, 53, 56, etc.

Hope this helps!
3 0
3 years ago
If you operate a 2.0 kilowatt for 2 hours how much energy do you use
kap26 [50]

Answer:

4 kWh/day

Explanation:

hope this helps!

~mina-san

3 0
3 years ago
In the circuit described by the diagram, which pair of resistors is connected in parallel?
scoundrel [369]

Option 4 ( R2 and R3 ) is the correct answer.

Explanation:

  • In the below given diagram, we can see a circuit diagram that has four resistors such as R1, R2, R3, and R4.
  • The opening of the circuit is noted as "a" and the ending is noted as "b".
  • By observing the above diagram, we can clearly see that R2 and R3 are the pair of resistors that are connected in a parallel manner.
  • Where all the other resistors such as R1 and R4 are neither connected in parallel nor in series.

Hence we can conclude that Resistor R2 and R3 are the ones that are connected in parallel.

6 0
3 years ago
A cylindrical specimen of some metal alloy 11.2 mm (0.4409 in.) in diameter is stressed elastically in tension. A force of 14100
MrRissso [65]

Answer:

μ = 0.436

Explanation:

Given:

Change in diameter, ΔD = 7 × 10⁻³ mm

Original diameter, D = 11.2 mm = 11.2 × 10⁻³ m

Applied force, P = 14100 N

Cross-section area of the specimen, A = \frac{\pi}{4}D^2 =  \frac{\pi}{4}(11.2\times 10^{-3})^2

Now,

elongation due to tensile force is given as:

\delta = \frac{PL}{AE}

or

\frac{\delta}{L} = \frac{P}{AE}

on substituting the values, we get

\frac{\delta}{L} = \frac{14100}{\frac{\pi}{4}(11.2\times 10^{-3})^2\times100\times 10^9}

or

\frac{\delta}{L} = 0.00143=\epsilon_x

where,

\epsilon_x is the strain in the direction of force

Now,

\epsilon_z=\frac{\Delta D}{D}=\frac{7\times 10^{-3}}{11.2}=0.000625

now, the poisson ratio, μ is given as:

\mu=\frac{\epsilon_z}{\epsilon_x}

on substituting the values we get,

\mu=\frac{0.000625}{0.00143}=0.436

7 0
3 years ago
Read 2 more answers
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