3 years ago

Henri Becquerel and the Curies found out that _____.

Physics

2 answers:

SIZIF [17.4K]3 years ago

5 0

Atoms were not indivisible and indestructible

Ainat [17]3 years ago

4 0

Atoms were not indivisible and indestructable

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a wave is represented by the equation y=0.5 sin0.6×(x-60t) where the distance x is measured in cm and time t is seconds. what is

Grace [21]

Answer:

lamda=10.5m

Explanation:

using the equation of progressive wave.

y=Asin(wt-kx)

comparing the two equations together, we have

kx=0.6x , k=0.6

k=2π/λ

0.6=2*3.142/λ

cross multiply

0.6λ=6.284

divide both sides by 0.6

λ=6.284/0.6

λ=10.47m

approximate

λ=10.5m

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3 years ago

A 50-ohm resistor in a 0.5 Amp circuit produces how much voltage drop?

ahrayia [7]

25 volts

Explanation:

Use Ohm's law to find the potential drop:

V = IR

= (0.5 A)(50 ohms)

= 25 volts

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3 years ago

When sound waves travel through a medium, the particles of the medium move parallel to the wave motion. Which type of wave displ

Karo-lina-s [1.5K]

Longitudinal waves move parallel to the wave motion.

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3 years ago

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explain what would be the same and what would be different about the phases and view of Earth to an inhabitant of the near side

guapka [62]

Answer:

Both the Earth and the moon are always half illuminated by the sun. But from either world, at any given time, you can see varying portions of that lighted half – or various phases of the Earth or moon. ... Instead, from a given point on the moon's near side, you'd always see Earth hanging in your sky.

Explanation:

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3 years ago

The inclined plane in the figure above has two sections of equal length and different roughness. The dashed line shows where sec

saveliy_v [14]

The static friction exerted on the block by the incline is $\mu _ s _1 Mgcos \ \theta$ .

The given parameters;

mass of the block, = M
coefficient of static friction in section 1, = $\mu_s_1$
angle of inclination of the plane, = θ

The normal force on the block is calculated as follows;

Fₙ = Mgcosθ

The static friction exerted on the block by the incline is calculated as follows;

$F_s = \mu_s F_n\\\\F_s = \mu _s_1(Mg cos\ \theta)\\\\F_s = \mu _s_1 Mgcos\ \theta$

Thus, the static friction exerted on the block by the incline is $\mu _ s _1 Mgcos \ \theta$

Learn more here:brainly.com/question/17237604

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3 years ago