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Ugo [173]
2 years ago
12

Consider a golf club hitting a golf ball that results in the following graph of force versus time on a 45 gram golf ball. If the

final velocity of the ball has a magnitude of 41 m/s, determine the value of Fmax

Physics
1 answer:
katen-ka-za [31]2 years ago
4 0

The question is missing the graph. So, the graph is attached below.

Answer:

The value of F_{max} is 7380 N.

Explanation:

Given:

Mass of the ball is, m=45\ g=0.045\ kg

Initial velocity of the ball is, u=0\ m/s(Assuming)

Final velocity of the ball is, v=41\ m/s

From the graph,

Time interval for which the force acts, \Delta t=0.5\ ms=0.5\times 10^{-3}\ s

Height of the triangle is equal to the maximum force acting on the ball = F_{max}

Now, we know that, impulse acting on the ball is equal to the area under the curve of force and time graph.

So, impulse is equal to the area of the triangle and is given as:

Impulse = \frac{1}{2}\times base\times height

Here, base is time interval \Delta t and height is F_{max}.

Impulse = \frac{1}{2}\times (0.5\times 10^{-3})\times F_{max}

Impulse = 0.25\times 10^{-3}F_{max}

Now, we also know that, impulse is equal to the change in momentum of a body.

Therefore, change in momentum (Δp) is given as:

\Delta p=m(v-u)\\\Delta p = 0.045(41-0)=1.845\ kgms^{-1}

Now, change in momentum is equal to impulse acting on the ball. Thus,

0.25\times 10^{-3}F_{max}=1.845\\\\F_{max}=\frac{1.845}{0.25\times 10^{-3}}\\\\F_{max}=7380\ N

Therefore, the value of F_{max} is 7380 N.

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Answer:

(a) 0.0171 V

Explanation:

A = 0.09 m^2, dB/dt = 0.190 T/s

(a) According to the law of electromagntic induction

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e = A dB / dt

e = 0.09 x 0.190 = 0.0171 V

(b)

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5 0
2 years ago
A skier leaves the horizontal end of a ramp with a velocity of 31.0 m/s and lands 156.3 m from the base of a ramp how high is th
BartSMP [9]

<u>Answer:</u>

The height of ramp = 124.694 m

<u>Explanation:</u>

Using second equation of motion,

s = ut + \frac{1}{2}at^2

From the question,

u = 31 m/s; s = 156.3 m, a=0

substituting values

156.3 = 31\times t + 0

t = \frac{156.3}{31 }

= 5.042 s

Similary, for the case of landing

t = 5.042 s; initial velocity, u =0

acceleration = acceleration due to gravity, g = 9.81 m/s^2

Substituting in h = ut + \frac{1}{2}gt^2

h = 0 + \frac{1}{2} \times 9.81 \times (5.042)^2

h = 124.694 m

So height of ramp = 124.694 m

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Sonar signals and infrared light are are used to send messages to submarines deep under water. If we compare the two signals, wh
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3 years ago
A uniform, spherical, 1900.0 kg shell has a radius of 5.00 m. Find the gravitational force this shell exerts on a 1.80 kg point
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Answer:

F=9.09\times 10^{-9} N

Explanation:

We are given that

Mass of spherical shell,m_1=1900 kg

Mass=m_2=1.80 kg

Radius of shell=r=5 m

Distance between two masses=r=5.01 m

Because distance measure from center .

Gravitational force

F=G\frac{m_1m_2}{r^2}

G=6.67\times 10^{-11} Nm^2/kg^2

Using the formula

F=6.67\times 10^{-11}\times \frac{1900\times 1.80}{(5.01)^2}

F=9.09\times 10^{-9} N

Hence,the gravitational force =F=9.09\times 10^{-9} N

6 0
2 years ago
After a long day you go home in your friend's really fancy sports car which has a sun-roof on the top and a spoiler (a little wi
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B: air pressure inside the car drops suddenly

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