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Drupady [299]
3 years ago
9

Exercício:

Physics
1 answer:
zysi [14]3 years ago
7 0

Answer:

a

Explanation:

a

a

a

a

a

a

a

a

a is the answer

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A box is dropped onto a conveyor belt moving at 3.2 m/s. If the coefficient of friction between the box and the belt is 0.28, ho
Lemur [1.5K]

Answer:

t = 1.16 s.

Explanation:

Given,

speed of conveyor belt, v = 3.2 m/s

coefficient of friction,f = 0.28

Using newton second law

f = ma

and we also know that frictional force

f = μ N

f = μ m g

equating both the force equation

a = μ g

a = 0.28 x 9.81

a = 2.75 m/s²

Using Kinematic equation

v = u + at

3.2 = 0 + 2.75 x t

t = 1.16 s.

Time taken by the box to move without slipping is 1.16 s.

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3 years ago
How do you think that changing the mass of the pendulum bob will affect the period of the pendulum swing?​
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(Mass does not affect the pendulum's swing. The longer the length of string, the farther the pendulum falls; and therefore, the longer the period, or back and forth swing of the pendulum. The greater the amplitude, or angle, the farther the pendulum falls; and therefore, the longer the period.)
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3 years ago
A cup of coffee is considered a Blank Space __________.
Sauron [17]

When you brew a coffee you're creating a Solution.  

Tiny particles from coffee grounds, or solutes, are dissolved in water, the solvent.


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