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hammer [34]
3 years ago
6

A car has a unibody-type frame and is supported by four suspension springs, each with a force constant of 29600 n/m. the combine

d mass of the car's frame and everything inside it (the engine, the seats, the passengers, etc.) is 1090 kg. because of worn-out shockabsorbers, the car vibrates up and down every time it is driven over a pothole. what is the frequency of this vibration? answer in units of hz.
Physics
1 answer:
Dafna1 [17]3 years ago
4 0
I’m done with my homework e ee was a good night I got to go to
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. Two astronauts are 1.90 m apart in their spaceship. One speaks to the other. The conversation is transmitted to earth via elec
melomori [17]

Answer:

d= 1650 km.

Explanation:

  • Assuming that sound waves travel along a straight line at a constant speed of 346 m/s, we can find the time needed for the sound to travel the distance of 1.9 m between the astronauts, just applying the definition of average velocity, as follows:

       t = \frac{\Delta x}{v} =\frac{1.9m}{346m/s} = 5.5 msec  (1)

  • The electromagnetic waves travel in free space at the same speed of light in vacuum ( since light is a electromagnetic wave indeed), i.e., 3*10⁸ m/s.
  • Applying the same formula than in (1) we can solve for the distance d, as follows:

       d = v*t = 3e8 m/s*5.5e-3s = 1650 km (2)

3 0
3 years ago
Find the sum 5.24 g, 43.261 g, and 7.3458 g. Write your answer with the correct amount of significant figures.
lapo4ka [179]

Answer:

This is how I do it:

  • 5.24 rounded to one significant figure is 5
  • 43.261 rounded to one significant figure is 40.
  • 7.3458 rounded to one significant figure is 7.
  • 5 + 40 + 7 is 52 g

Hope this helps you.

Explanation:

7 0
3 years ago
Momentum of the 2 kg mass moving with velocity 10 m/s is *
gulaghasi [49]
20 kg*m/s because there is 2 kg mass and 10 m/s so you can multiply.
8 0
4 years ago
Two long parallel conductors carries I1 and I2 in opposite directions. Determine the magnetic field between the wires
Eddi Din [679]

Answer:

B1 = μ_o•I1/2πr

Explanation:

According to the right hand rule, we can say that the magnetic field at the second wire due to the current being carried in first wire is given by;

B1 = μ_o•I1/2πr

Where;

r is distance that separates the two wires

μ_o is a constant known as permeability of free space

I1 is current in wire 1

8 0
3 years ago
The curved section of a speedway is a circular arc having a radius of 190 m. this curve is properly banked for racecars moving a
Anestetic [448]

The banking angle of the curved part of the speedway is determined as 32⁰.

<h3>Banking angle of the curved road</h3>

The banking angle of the curved part of the speedway is calculated as follows;

V(max) = √(rg tanθ)

where;

  • r is radius of the path
  • g is acceleration due to gravity

V² = rg tanθ

tanθ = V²/rg

tanθ = (34²)/(190 x 9.8)

tanθ = 0.62

θ = arc tan(0.62)

θ = 31.8

θ ≈ 32⁰

Learn more about banking angle here: brainly.com/question/8169892

#SPJ1

8 0
2 years ago
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