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Alekssandra [29.7K]
2 years ago
12

If the mass of an object increases, predict what will happen to the coefficient of sliding friction.

Physics
1 answer:
Brilliant_brown [7]2 years ago
8 0
The coefficient of sliding friction will decrease. When mass increases the acceleration deceases, when acceleration/sliding motion decreases, the friction opposing motion will also decrease.
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HACTEHA [7]

Answer:

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Explanation:

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3 years ago
Pleae answer asap brcianset
marshall27 [118]

Answer:

>

Explanation:

1/8 is greater than 3/20

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3 years ago
A transverse standing wave is set up on a string that is held fixed at both ends. The amplitude of the standing wave at an antin
ZanzabumX [31]

Answer:

a) the maximum transverse speed of a point on the string at an antinode is 5.9899 m/s

b) the maximum transverse speed of a point on the string at x = 0.075 m is 4.2338 m/s

Explanation:

Given the data in the question;

as the equation of standing wave on a string is fixed at both ends

y = 2AsinKx cosωt

but k = 2π/λ and ω = 2πf

λ = 4 × 0.150 = 0.6 m

and f =  v/λ = 260 / 0.6 = 433.33 Hz

ω = 2πf = 2π × 433.33 = 2722.69

given that A = 2.20 mm = 2.2×10⁻³

so V_{max1} = A × ω

V_{max1} = 2.2×10⁻³ × 2722.69 m/s

V_{max1} =  5.9899 m/s

therefore, the maximum transverse speed of a point on the string at an antinode is 5.9899 m/s

b)

A' = 2AsinKx

= 2.20sin( 2π/0.6 ( 0.075) rad )

= 2.20 sin(  0.7853 rad ) mm

= 2.20 × 0.706825 mm

A' = 1.555 mm = 1.555×10⁻³

so

V_{max2} = A' × ω

V_{max2} = 1.555×10⁻³ × 2722.69

V_{max2} = 4.2338 m/s

Therefore, the maximum transverse speed of a point on the string at x = 0.075 m is 4.2338 m/s

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3 years ago
Circular motion occurs on earth true or false
Bingel [31]
Circular Motion does occur on earth, so yes, true
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3 years ago
Read 2 more answers
Is there gravitational force between two students sitting in a classroom?
drek231 [11]

Answer:

Yes.

Explanation: the magnitude of the force is extremely small because the masses of the students are small relative to Earth's mass.

8 0
3 years ago
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