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pychu [463]
3 years ago
12

What happens to the magnitude of the force of gravitation between two objects if: 1. distance between the objects is tripled? 2.

mass of both objects doubled? 3. mass of both objects as well as the distance distance between them is doubled? EES CLASS TEACHER GRADE 9 A Oct 5 3 class comments
Physics
2 answers:
Ludmilka [50]3 years ago
8 0
<span>2. mass of both objects doubled? 
Hope it helped!</span>
VashaNatasha [74]3 years ago
3 0
2. mass of both objects doubled, because with two negatives makes a positive in resulting of my answer....(this formula i made up, i use it on problems like this, i feel so accomplished)
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To demonstrate the tremendous acceleration of a top fuel dragracer, you attempt to run your car into the back of a dragster that
noname [10]

Answer:

a. 2v₀/a   b. 2v₀/a  

Explanation:

a. Since you are moving with a constant velocity v₀, the distance, s you cover in time = t max is s = v₀t.

Since the dragster starts from rest with an acceleration, a, using

s' = ut + 1/2at² where u = 0 and s' = distance moved by dragster

s' = 0t + 1/2at²

s' = 1/2at²

Since the distance moved by me and the dragster must be the same,

s = s'

v₀t. =  1/2at²

v₀t. - 1/2at² = 0

t(v₀ - 1/2at) = 0

t= 0 or v₀ - 1/2at = 0

t= 0 or v₀ = 1/2at

t= 0 or t = 2v₀/a  

So the maximum time tmax = 2v₀/a

b. Since the distance covered by me to meet the dragster is s = v₀t in time, t = tmax which is also my distance from the dragster when it started. So, my distance from the dragster when it started is s =  v₀(2v₀/a)

= 2v₀/a  

4 0
3 years ago
What is the safest way to enter a body of water? Enter with you feet first. Dive in.
zimovet [89]

Answer: feet first

Explanation:

It is always the safest to enter with your feet first. You can become paralyzed or injure you neck if you dive into a body of water that is too shallow. Therefore its always best to dive feet first instead.

4 0
2 years ago
Read 2 more answers
What comes down but never goes up
White raven [17]

Answer:

Explanation:

rain and your age

5 0
3 years ago
How would a parachute fall on the surface of the moon ? Describe. The mass of the Jupiter is
GREYUIT [131]

Explanation:

the answer is 2.46 × 10^12

6 0
2 years ago
What is the period of a simple pendulum 47 cm long (a) on the Earth, and ( b) when it is in a freely falling elevator?
Liula [17]

Answer:

a)1.37 s

b)∞ ( Infinite)

Explanation:

Given that

L= 47 cm              ( 1 m =100 cm)

L= 0.47 m

a)

On the earth :

Acceleration due to gravity = g

We know that time period of the simple pendulum given as

T=2\pi\sqrt{ \dfrac{L}{g_{{eff}}}

Here

g_{eff}= g

Now by putting the values

T=2\pi \times\sqrt{ \dfrac{0.47}{9.81}}

T=1.37 s

b)

Free falling elevator :

When elevator is falling freely then

g_{eff}= 0            ( This is case of weightless motion)

Therefore

T=2\pi\sqrt{ \dfrac{L}{0}

T=∞  (Infinite)

6 0
3 years ago
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