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Bezzdna [24]
3 years ago
7

A flow of electricity that constantly reverses direction. In the United States it reverses itself 120 times per second.

Physics
1 answer:
Vladimir [108]3 years ago
7 0
D an alternating current because it reverses constantly.
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You can create a new K.M.S key and use it to allow cryptographic assistants using AWS key management to store and encrypt sensitive information.

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Scientists now think high-fructose corn syrup may disrupt appetite control, making people
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Scientists now think high-fructose corn syrup may disrupt appetite control, making people eat more often.

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3 years ago
A hockey player makes a slap shot exerting a constant force of 40.0 newtons on the puck for .2 seconds. What is the magnitude of
Taya2010 [7]

Answer:

Magnitude of impulsive force is <u>8 N.s</u>.

Explanation:

Given:

Force acting on the puck is, F=40.0\ N

Time interval for which the force acts is, \Delta t=0.2\ s

We are asked to find the impulsive force.

Impulsive force acting on a body is the sudden change in the momentum of the body due to the application of a large constant force for a very small interval of time.

Here, the hockey player applies a large force of 40 N for a very short interval of time. So, the impact on the puck is measured as Impulse and is represented by 'J'.

Impulse in terms of applied force and time interval is given as:

J=F\Delta t

Plug in the given values and solve for 'J'. This gives,

J=40\times 0.2\\J=8\ N\cdot s

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Mercury

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That process is called the Miranda rights
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