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erma4kov [3.2K]
3 years ago
8

What are the characteristics of high energy waves?

Physics
2 answers:
liq [111]3 years ago
6 0

<u><em>Answer:</em></u>

  • <em>High energy waves are louder</em>
  • <em>Have a higher amplitude</em>
  • <em>Peaks are higher and the valleys are lower</em>

<em />

<u><em>Explanation:</em></u>

<em>*Hope this helps*</em>

<u><em /></u>

Temka [501]3 years ago
4 0
Amplitude and frequency
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If you blow up a balloon, tie it off, and release it, it will fall to the ground.
RoseWind [281]

Answer:

carbon dioxide (what you are blowing up the balloon with) is a heavy gas. so when you fill the Balloon with it, the balloon will not float. helium is a light gas and floats. gravity takes another. part in this

8 0
3 years ago
A 1870 kg car traveling at 13.5 m/s collides with a 2970 kg car that is initally at rest at a stoplight. The cars stick together
Inga [223]

Answer:

The value  is \mu  = 0.72

Explanation:

From the question we are told that

   The mass of the first car is  m_1  =  1870\ kg

    the initial  speed of the car  is  u  =  13.5 \  m/s

    The  mass of the second car is  m_2 =  2970\  kg

    The distance move by both cars is  s =  1.93  m

Generally from the law of momentum conservation

    m_1 * u_1 + m_2 *  u_2  =  (m_1 + m_2 ) *  v_f

Here u_2  =  0 because the second car is at rest

and  v_f is the final  velocity of the the two car

So

    1870*  13.5+ 0=  ( 1870 + 2970 ) *  v_f      

=> v_f  =  5.22\  m/s

Generally from kinematic equation

    v_f^2 = u_2^2  +  2as

here a is the deceleration

So

    5.22^2 = 0  +  2 *a  *  1.93

=> a =  7.06 \  m/s^2

Generally the frictional  force is equal to the force propelling the car , this can be mathematically represented as

   F_f  =  F

Here  F is mathematically represented as

F =  (m_1 + m_2) *  a

F =  (1870 + 2970) *  7.06    

F =34170.4 \ N  

and

F_f  =  \mu *  (m_1 + m_2 ) *  g

F_f  =  47432 * \mu

So

47432 * \mu   = 34170.4

=> 47432 * \mu   = 34170.4

=> \mu  = 0.72

6 0
3 years ago
A 60kg man jumps off a 30 foot building. Assuming he falls from rest and there is negligible air resistance, how long will it ta
Dmitriy789 [7]

Answer:

1.37 seconds before.... splat !

Explanation:

y = y0 + v0 t + 1/2 a t^2      y0 = 30       y = 0

                    v0 = 0 ( from rest)

                            a = - 32.2 ft/s^2

0 = 30 - 1/2 * 32.2 * t^2

t=1.366 seconds                   <u>  Note that   mass   is irrelevant.</u>

5 0
2 years ago
A friend of yours is wearing a green shirt. Why is their shirt green?
IRISSAK [1]

Answer:

The answer is the shirt would disappear because I would eat him

4 0
3 years ago
How much energy is needed to change the temperature of 50.0 g of water by 15.0oc?
UkoKoshka [18]
The amount of energy needed to increase the temperature of a substance by \Delta T is given by:
Q=m C_s \Delta T
where
m is the mass of the substance
Cs is the specific heat capacity of the substance
\Delta T is the increase in temperature

In our problem, m=50.0 g, C_s = 4.18 J/g ^{\circ}C (specific heat capacity of water) and \Delta T=15.0 ^{\circ}C, therefore the amount of energy needed is
Q=mC_s \Delta T=(50.0 g)(4.18 J/g^{\circ}C)(15.0^{\circ}C)=3135 J
3 0
3 years ago
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