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tankabanditka [31]
3 years ago
11

Only girl /asx-gjeo-pyj​

Physics
1 answer:
Firdavs [7]3 years ago
7 0

Answer:

ummmmmmm ok

Explanation:

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Generally blank friction is greater than sliding friction
Liula [17]
Static friction is greater than kinetic friction because of irregularities between the static object and the surface upon which it rests.<span> The irregularities mesh together making it more difficult to start movement than to keep the object in motion</span>
4 0
3 years ago
you moved from the top bunk of a bunk bed to the bottom and noticed that the air is colder. the cold air stays at the bottom bec
8_murik_8 [283]

Answer:

heat transfer? sorry if I'm wrong!

4 0
3 years ago
An 85 kg man and his 35 kg daughter are sitting on opposite ends of a 3.00 m see-saw. The see-saw is anchored in the center. If
wolverine [178]

Answer:

0.54m

Explanation:

Step one:

given data

length of seesaw= 3m

mass of man m1= 85kg

weight = mg

W1= 85*10= 850N

mass of daughter m2= 35kg

W2= 35*10= 350N

distance from the center= (1.5-0.2)= 1.3m

Step two:

we know that the sum of clockwise moment equals the anticlockwise moment

let the distance the must sit to balance the system be x

taking moment about the center of the system

350*1.3=850*x

455=850x

divide both sides by  850

x=455/850

x=0.54

Hence the man must sit 0.54m from the right to balance the system

3 0
3 years ago
if the forces acting upon an object are balanced, then an object must a) be moving. b) be accelerating. c) be beginning to slow
Dennis_Churaev [7]

The correct answer to the question is : D) Be moving at a constant velocity.

EXPLANATION:

As per Newton's first laws of motion, every body continues to be  at state of rest or of uniform motion in a straight line unless and until it is compelled by some external unbalanced forces acting on it.

Hence, it is the unbalanced force which changes the state of rest or motion of a body. Balanced force is responsible for keeping the body to be either in static equilibrium or in dynamic equilibrium.

As per the options given in the question, the last one is true for an object under balanced forces.


4 0
3 years ago
In Houston, Earth's B→ field has a magnitude of 5.2 × 10−5 Tand points in a direction 57∘ below a horizontal line pointing north
Anastasy [175]

Answer:

F = 0.0034 N

Explanation:

Given:

B = 5.2*10^(-5) T\\Q = 57 degrees\\I_{wire} = 12 A\\L_{wire} = 10 m

The angle between B and wire = 90 - 57 = 33 degrees

Using formula:

F = B*I*L*sin (90-Q)\\F = (5.2*10^(-5)*(12)*(10)*sin (33)\\F = 0.0034 N

6 0
3 years ago
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