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svetlana [45]
3 years ago
7

The variable ______________ describes how quickly something moves.

Physics
1 answer:
IrinaK [193]3 years ago
8 0

it's up in Gogle trust me

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E<br> 3.6 What force is needed to give a mass of<br> 20 kg an acceleration of 5 m/s??
luda_lava [24]

Explanation:

  • Mass(m)= 20kg
  • Acceleration (a)= 5m/s²
  • Force(F)= ?

We know that,

  • F=ma
  • F=20×5
  • F=100N

Hence, the needed force is 100N.

6 0
1 year ago
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If the period of the pendulum is tripled, what is the length of the string increased by?
Nitella [24]
The period of the pendulum doesn't determine the length of the string. 
It's the other way around.

The period of the pendulum is proportional to the square root of its length.
So if you want to triple the period, you have to make the string nine times
as long as it is now.
7 0
3 years ago
What is the momentum of an object that has a mass of 0.03 grams and a velocity of 1200 m/s2
ruslelena [56]

answer is 36

because the formulae of momentum is

mass×velocity

3 0
2 years ago
Which type of energy increases when an object’s atoms move faster? A.nuclear B.mechanical C.chemical D.thermal
erica [24]
When an object's atoms move faster, its thermal energy increases and the object becomes warmer.
4 0
3 years ago
Read 2 more answers
The spaceship Intergalactic landed on the surface of the uninhabited Pink Planet, which orbits a rather average star in the dist
max2010maxim [7]

Answer:

<em>18808.7 m/s^2</em>

Explanation:

Given

Length of the pendulum L = 1.44 m

Number of complete cycles of oscillation n = 1.10 x 10^2

total time of oscillation t = 2.00 x 10^2 s

The period of the T = n/t

T = (1.10 x 10^2)/(2.00 x 10^2) = 0.55 ^-s

The period of a pendulum is gotten as

T = 2\pi \sqrt{\frac{L}{g} }

where g is the acceleration due to gravity

substituting values, we have

0.55 = 2\pi \sqrt{\frac{1.44}{g} }

0.0875 = \sqrt{\frac{1.44}{g} }

squaring both sides of the equation, we have

7.656 x 10^-3 = 144/g

g = 144/(7.656 x 10^-3) = <em>18808.7 m/s^2</em>

3 0
3 years ago
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