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lisabon 2012 [21]
2 years ago
11

I am bit confused please help! :)Need explanation because I Know answer ​

Physics
1 answer:
tankabanditka [31]2 years ago
3 0

a)Gamma

Explanation:

Gamma rays are chargeless. So they cannot be deflected by electric or magnetic fields

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1 A chocolate bar measures 10 cm long by 2 cm wide and is 2 cm thick.
ira [324]
A) Volume of cuboid = length *breadth*height
=10*2*2=40cm^3


B)time period of one pendulum = no.of oscillations/time= 10/8= 5/4



C) 3 bars


8 0
2 years ago
What was the hikers average velocity during part D of the hikes?
pychu [463]
Velocity = displacement / time
v = 6 / 3/4
v = 6*4/3
v = 24/3
v = 8 m/s toward north

In short, Your Answer would be 8 m/s north

Hope this helps!
8 0
4 years ago
Read 2 more answers
Orchestra instruments are commonly tuned to match an A-note played by the principal oboe. The Baltimore Symphony Orchestra tunes
Nina [5.8K]

Answer:

Δλ = 3*10⁻³ m.

Explanation:

  • At any wave, there exists a fixed relationship between the speed of  the wave, the wavelength, and the frequency, as follows:

       v = \lambda* f  (1)

       where v is the speed, λ is the wavelength and f is the frequency.

  • Rearranging terms, we can get λ from the other two parameters, as follows:

       \lambda = \frac{v}{f}  (2)

  • Since v is constant for sound at 343 m/s, we can find the different wavelengths at different frequencies, as follows:

        \lambda_{1} =\frac{v}{f_{1}} = \frac{343m/s}{440(1/s)} = 0.779 m  (3)

        \lambda_{2} =\frac{v}{f_{2}} = \frac{343m/s}{442(1/s)} = 0.776 m  (4)

  • The difference between both wavelengths, is just the difference between (3) and (4):

       \Delta \lambda = \lambda_{1} - \lambda_{2} = 0.779 m - 0.776m = 3e-3 m (5)

       ⇒ Δλ = 3*10⁻³ m.

6 0
3 years ago
Clyde and Marilyn are riding a roller coaster. During which section of the track is their potential energy converted to kinetic
Alex17521 [72]

Potential energy is when the roller coaster rises. Kinetic energy is when the roller coaster declines.

5 0
4 years ago
A hot-air balloon is floating above a straight road. To estimate their height above the ground, the balloonists simultaneously m
ki77a [65]
We know that
tan(∅) = y/x; where y will be the height of the balloon and x will be the distance from the milestone marker.
The marker that is further away will produce a smaller angle of depression.
tan(18) = height / x
x = height / tan(18)

The second marker is x + 1 miles away:
tan(16) = height / x + 1; substituting x:
tan(16) = height / (height/tan(18) + 1)
tan(16) x [(height / tan(18) + 1] = height
0.88h + 0.29 = h
h = 2.42 miles
8 0
3 years ago
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