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3 years ago

A baseball bat exerts an average force of 600. newtons east on a ball, imparting an impulse of

Physics

2 answers:

alekssr [168]3 years ago

6 0

Impulse= Average force * time
Time= Impulse/ Average force
= 3.6 newton *sec/ (600 N, east)
time = 6.0*10^-3 seconds

Anvisha [2.4K]3 years ago

3 0

Answer: The time of contact will be 0.006 seconds.

Explanation:

An impulse of a force is the product of average force and the time interval when the force acts.

Mathematically,

$J=F\Delta t$

Where,

J = impulse = 3.6 Ns

F = Force = 600N

$\Delta t$ = Time = ?s

Putting the values in above equation, we get:

$3.6Ns=600N\times t$

t = 0.006 seconds

Hence, the time of contact will be 0.006 seconds.

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vovikov84 [41]

Complete Question

The speed of a transverse wave on a string of length L and mass m under T is given by the formula

$v=\sqrt{\frac{T}{(m/l)}}$

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Answer:

$(m/l)=\frac{10}{V^2}$

Explanation:

From the question we are told that

Speed of a transverse wave given by

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Maximum Tension is $T=10.0N$

Generally making $(m/l)$ subject from the equation mathematically we have

$v=\sqrt{\frac{T}{(m/l)}}$

$v^2=\frac{T}{(m/l)}$

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$(m/l)=\frac{10}{V^2}$

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$(m/l)=\frac{10}{V^2}$

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3 years ago

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4 years ago

what happens to the current in a circuit if the resitance of the components in the circuit is increased

Anit [1.1K]

Answer:

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Explanation:

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Rearranging this equation, you get:

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and

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If the value of voltage in both equations remains constant, and the value of R decreases, the value of I will increase. Conversely, if in the second equation $R = \frac{V}{I}$ , the value of V remains constant the value of I decreases, then the value of R, resistance will increase.

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