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Viktor [21]
3 years ago
8

What is an uncharged body? In physics (simple words)

Physics
1 answer:
andriy [413]3 years ago
4 0

An uncharged body is a body that has equal magnitude of positive as well as negative charge on it. So as soon as some charged body is placed near it, the charged body induces negative charges on the uncharged body.

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A 9.0 kg test rocket is fired vertically from Cape Canaveral. Its fuel gives it a kinetic energy of 1905 J by the time the rocke
mrs_skeptik [129]

Answer:

21.6m

Explanation:

Since the rocket engine burns all the fuel hence the kinetic energy will be converted to potential energy

Potential Energy = mass × acceleration due to gravity × height

Given

PE = 1905J

Mass = 9.0kg

Acceleration due to gravity =9.8m/s²

Required

Height h

Substitute into the formula

1905 = 9(9.8)h

1905 = 88.2h

h =1905/88.3

h = 21.6m

Hence the required height is 21.6m

5 0
3 years ago
A block is sliding down an inclined plane that makes an angle of 65o with the horizontal. If the coefficient of kinetic friction
Nezavi [6.7K]

Answer:

8.2 m/s²

Explanation:

m = mass of the block

μ = Coefficient of kinetic friction = 0.17

F_{n} = Normal force on the block by the ramp

f_{k} = kinetic frictional force

Force equation perpendicular to ramp surface is given as

F_{n} = mg Cos65

Kinetic frictional force is given as

f_{k} = \mu F_{n}

f_{k} = \mu mg Cos65

Force equation parallel to ramp surface is given as

mg Sin65 - f_{k} = ma

mg Sin65 - \mu mg Cos65 = ma

g Sin65 - \mu g Cos65 = a

(9.8) Sin65 - (0.17) (9.8) Cos65 = a

a = 8.2 m/s²

4 0
4 years ago
What’s the role of moles in weathering??????? HURRY ASAP HURRY PLEASE⁉️⁉️⁉️
babymother [125]

What do you mean? What step of weathering? They help process dead organisms, and transfer soil.

4 0
3 years ago
Read 2 more answers
A complete description of simple harmonic motion must take into account several physical quantities and various mathematical rel
vazorg [7]

Answer:

Explanation:

x = 2 cos wt = 2 cos 10t ; w = 10

velocity = dx/dt = -2 x 10 sin 10 t.=- 20 sin 10t

t = .4

velocity = -20 sin 10 x .4 = -20 sin 4 = -20 x -0.7568 = 15.136 cm /s

w = √ k / m = 10 = √ k / .05

k = 15.136  N/m

8 0
3 years ago
Read 2 more answers
A fruit drink says that it is healthier than soda. What is the purpose of this claim?
alexdok [17]

It depends where its saying this. If its and advertisment then the purpose is to use health facts in order to persuade the reader to buy the fruit drink,if its in an artical then probably someone with a bias against soda is trying to convince you to switch to drinking fruit juice.

4 0
4 years ago
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