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3 years ago

Which objects can an S wave travel through? Check all that apply.

Physics

2 answers:

liq [111]3 years ago

8 0

Answer:

soil, granite, crust

Explanation:

Secondary (S) waves travel through solids only

lana [24]3 years ago

5 0

I don't know fully, but I know S waves can't travel through liquids. Hope that helps a little!

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A car drives around a curve with radius 400 m at a speed of 32 m/s. The road is banked at 7.0 degree. The mass of the car is 150

Ronch [10]

Answer:

The magnitude of the centripetal force to make the turn is 3,840 N.

Explanation:

Given;

radius of the cured road, r = 400 m

speed of the car, v = 32 m/s

mass of the car, m = 1500 kg

The magnitude of the centripetal force to make the turn is given as;

$F_c = \frac{mv^2}{r}$

where;

Fc is the centripetal force

$F_c = \frac{mv^2}{r} \\\\F_c = \frac{(1500)(32)^2}{400}\\\\F_c = 3,840 \ N$

Therefore, the magnitude of the centripetal force to make the turn is 3,840 N.

3 0

3 years ago

A bolt falls off an airplane high above the ground. How far does the bolt have to fall before its speed reaches 100m/s (about 20

omeli [17]

We can use the equation vf (the final velocity) =vi (the initial velocity) +at (aceleration times time)

We know the final velocity 100m/s, the initial velocity 0, and the acceleration (gravity) 9.8m/s^2. So, 100=0+9.8t. t=100/9.8

3 0

3 years ago

Determine the volume of a cube whose width is 32.1 cm. Round your answer to the correct number significant figures.

Romashka [77]

The volume of a cube is given by:

$V=L^3$

where L is the measure of each side (which corresponds to its width, since all sides of a cube are equal).

Plugging the data of the problem, L=32.1 cm, inside the equation, we find the volume:

$V=L^3 =(32.1 cm)^3 =33076.2 cm^3$

4 0

3 years ago

Tell me about Orion nebula

RSB [31]

Is the most intensely studied celestial feature. It has also help revealed much about the process of how stars and planetary systems are formed from collapsing clouds of gas and dust. It is also the closest large star-forming region to Earth. The Orion Nebula is an enormous cloud of gas and dust, is located in our galaxy (Milky Way).

8 0

3 years ago

A conducting rod moves perpendicularly through a uniform magnetic field. How does the emf change if the magnetic field is increa

Marysya12 [62]

Answer:

c) It increases by a factor of 8

Explanation:

According to Faraday's law (and Lenz' law), the induced EMF is given as the rate of change of magnetic flux.

Mathematically:

V = -dФ/dt

Magnetic flux, Ф, is given as:

Ф = BA

where B = magnetic field strength and A = Area of object

Hence, induced EMF becomes:

V = -d(BA)/dt or -BA/t

If the magnetic field is increased by a factor of 4, ( $B_n = 4B$ ) and the time required for the rod to move is decreased by a factor of 2 ( $t_n = t/2$ ), the induced EMF becomes:

$V_n = -(B_nA)/t_n$

$V_n = \frac{-4BA}{(t/2)}\\\\V_n = \frac{-8BA}{t} \\\\V_n = 8V\\$

The EMF has increased by a factor of 8.

5 0

3 years ago