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slamgirl [31]
3 years ago
11

Which example gives all the necessary information to describe motion scientifically

Physics
2 answers:
VikaD [51]3 years ago
5 0
Correct option is=A because 25mph means=25miles per hour
svp [43]3 years ago
4 0
The answer is A. Hoped that helped!
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A projectile is launched with a horizontal velocity of 20 m/s and an initial vertical velocity of 20 m/s. What is the projectile
cestrela7 [59]

Answer:

Vertical acceleration 9.8 m/s² downward

Horizontal acceleration 0.0 m/s²

assuming no air resistance.

6 0
2 years ago
The car has a maximum acceleration of 4m/s2 . The car’s mass is 1,250 Kg what is the car max speed?
marusya05 [52]
The net force acting on the car is
3 × 10^3
Newtons.
Force is defined as the product of the mass of the body and its aaceleration,
⇒ F = ma

Substituting the above given values we get,
F =(1500kg) (2.0 m/s^2) = 3000N = 3 × 10^3N .
3 0
1 year ago
In 1985, there were 285 cell phone subscribers in the small town of Glenwood. The number of subscribers increased by 75% per yea
Amiraneli [1.4K]

Answer:

b. (4677)

Explanation:

You can apply the same equation we use to calculate the compound interest but with phones.

Look:

M = C.(1+i)^n

M = the total amount after 5 years

C = the firts amout of phones (285)

i = how much this number gets bigger (75%)

n = the number of periods (5 years)

So...

M = 285 . (1 + 0,75)^5

M = 285 . 1,75^5

M = 285 . 16.4

M = 4677

4 0
3 years ago
Read 2 more answers
Sorry by mistake btw what is a prism
masha68 [24]

Answer:

• A prism is a polygon and hedron like substance [ polyhedron ] with polygonal edges hence forming rectangular, rhombical or pallarelogramic surfaces.

• There are four prism types;

  • Reflecting prisms
  • Dispersion prisms
  • Displacement prisms
  • Rotation prisms.

3 0
2 years ago
Read 2 more answers
A 350 g mass on a 45-cm-long string is released at an angle of 4.5° from vertical. It has a damping constant of 0.010 kg/s. Afte
Varvara68 [4.7K]

Answer:

The value is  n  = 18.5 \ oscillations

Explanation:

From the question we are told that

   The mass is  m = 350 \ g  =  0.350 \ kg

   The length is  L = 45 \ cm  =  0.45 \  m

    The angle is  \theta  = 4.5^o

    The damping constant is  b = 0.010 \  kg/s

    The time taken is t = 25 \  s

Generally the angular frequency of this damped oscillation is mathematically evaluated as

     w = \sqrt{ \frac{ g}{L} + \frac{b^2}{4m^2}  }  

=>   w = \sqrt{ \frac{9.80 }{ 0.45} + \frac{0.010 ^2}{4* 0.350^2}  }  

=>   w = 4.667 \  s^{-1}

Generally the period of the oscillation is mathematically represented as

      T = \frac{2 \pi }{w}  

=>  T = \frac{2 * 3.142 }{ 4.667 }

=>  T = 1.35 \ s

Generally the number of oscillation is mathematically represented as

        n  = \frac{t}{T}

=>     n  = \frac{25}{1.35}

=>     n  = 18.5 \ oscillations

4 0
3 years ago
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