Which activities demonstrate reaction time the most?

Physics

1 answer:

Black_prince [1.1K]2 years ago

7 0

Answer:

A goal keepee catering the ball in time is answer

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A wire is carrying current vertically downward. What is the direction of the force due to Earth's magnetic field on the wire?

AnnyKZ [126]

Answer:

The direction of the force will be towards the east

Explanation:

From the question we are told that

The direction of the downward

Generally according to Fleming's right-hand rule(

Thumb - direction of force

Middle finger - direction of current

Index finger - direction of the magnetic field

) and the fact that the earth magnetic field acts from south to north with respect to the four cardinal points then the direction of the force will be toward the east with respect to the four cardinal point on the earth

6 0

3 years ago

If the action force is the swimmer pushing water in the leftward direction, what is the reaction force?

Sphinxa [80]

According to Newton's Third Law of Motion, to every action, there is an equal and opposite reaction; action and reaction act on different bodies.
Here, the action force is in the leftward direction, so the reaction will be in the opposite direction.
If the action force is the swimmer pushing water in the leftward direction, then the reaction force is in the rightward direction.
And the reaction force will be given by the water on the swimmer.

Answer:

The reaction force is the water pushing the swimmer in the rightward direction.

Hope you could get an idea from here.

Doubt clarification - use comment section.

3 0

2 years ago

A horizontal 826 N merry-go-round of radius 1.17 m is started from rest by a constant horizontal force of 57.8 N applied tangent

Julli [10]

Answer:

The kinetic energy of the merry-go-round is $\bf{475.47~J}$ .