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Kay [80]
3 years ago
14

Calculate the average speed of a gazelle that runs 140 meters in 5.0 seconds.

Physics
2 answers:
atroni [7]3 years ago
8 0
<span>The average speed is 14 m / sec or 50.4 km / h.</span>
Anna007 [38]3 years ago
3 0
It is 28m/s I think.
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Help!
muminat

Power P is the rate at which energy is generated or consumed and hence is measured in units that represent energy E per unit time t. This is:

P = E/t

Solving for t:

t = E/P

t = 6007 J / 500 W

t = 12.014 s

<h2>t ≅ 12 s</h2>

7 0
3 years ago
A block weighing 30kg is moved at a constant speed over a horizontal surface by a force of 100 N applied parallel
DENIUS [597]
30-100=70^3•É+ 30 =3^E
5 0
3 years ago
A biconvex lens is formed by using a piece of plastic(n=1.70).
creativ13 [48]

Answer:

f =17.15\ cm

Explanation:

given,

refractive index of lens, n = 1.70

Radius of curvature of front surface. R₁ = 20 cm

Radius of curvature of the back surface, R₂ = 30 cm

focal length= ?

\dfrac{1}{f}=(n-1)(\dfrac{1}{R_1}-\dfrac{1}{R_2})

    R₁ = +20 cm

    R₂ = -30 cm

    n = 1.70

\dfrac{1}{f}=(1.70-1)(\dfrac{1}{20}-\dfrac{1}{-30})

\dfrac{1}{f}=0.70 \times 0.0833

f = \dfrac{1}{0.7 \times 0.0833}

f =17.15\ cm

the focal length of the lens is equal to 17.15 cm

3 0
3 years ago
An ideal gas occupies 600 cm3 at 20c. at what temperature will it occupy 1200 cm3 if the pressure remains constant? 10c 40c 100c
Anna11 [10]
ANS : 313℃
You need to use K in this.
To convert​ ℃ to Kelvin (K), add 273.15 to ℃.

5 0
3 years ago
Pls quickly brainliest to the first to anwser
fiasKO [112]

Answer:

8m/s^2

Explanation:

hope it helps........

4 0
2 years ago
Read 2 more answers
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