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lisabon 2012 [21]
3 years ago
11

HELP PLEASE I HAVE NO IDEA OF WHAT TO DO!!!!!

Physics
2 answers:
TiliK225 [7]3 years ago
3 0

Answer:

6 seconds/ 4 to 5 seconds

Explanation:

Lapatulllka [165]3 years ago
3 0

Answer:

im prety sure it is b tell me if im wrong

Explanation:

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A particular planet has a moment of inertia of 9.74 × 1037 kg•m2 and a mass of 5.98 × 1024 kg. Based on these values, what is th
goldfiish [28.3K]
Assuming the planet can be treated as a solid sphere,I=\frac{2}{5}MR^2

(9.74 x 10^37 kg-m²) = (2/5)(5.98 x 10^24 kg)R²

R = 6.38 x 10^6 m
4 0
3 years ago
WILL GIVE BRAINLIEST IF CORRECT!
Norma-Jean [14]

Answer:

10000N

Explanation:

Given parameters:

Mass of the car  = 1000kg

Acceleration = 3m/s²

g  = 10m/s²

Unknown:

Weight of the car  = ?

Solution:

To solve this problem we must understand that weight is the vertical gravitational force that acts on a body.

 Weight  = mass x acceleration due to gravity

So;

    Weight  = 1000 x 10  = 10000N

5 0
3 years ago
Story on where there is a will there's a way<br>​
Nikitich [7]
Lol what i think i’ve heard of that story
4 0
4 years ago
A storm cloud has a charge of 0.055 C. Due to polarization, the top of a tree gains a charge of -0.006 C. The cloud moves to 98
Anastasy [175]

Answer:

F = 309.24 N

Explanation:

Given that,

Charge on a strom cloud, q₁ = 0.055 C

The charge gained by the top of a tree, q₂ = -0.006 C

The cloud moves to 98 meters above the tree.

We need to find the amount of force between the cloud and the tree. The electrical force between two charges is given by :

F=\dfrac{kq_1q_2}{r^2}\\\\F=\dfrac{9\times 10^9\times 0.055\times 0.006 }{(98)^2}\\\\F=309.24\ N

So, the force between the cloud and the tree is equal to 309.24 N.

5 0
3 years ago
A pump lifts water from a lake to a large tank 20 m above the lake. How much work against gravity does the pump do as it transfe
Aleonysh [2.5K]

Answer:

980 kJ

Explanation:

Work = change in energy

W = mgh

W = (1000 kg/m³ × 5.0 m³) (9.8 m/s²) (20 m)

W = 980,000 J

W = 980 kJ

The pump does 980 kJ of work.

3 0
3 years ago
Read 2 more answers
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