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Ostrovityanka [42]
3 years ago
11

A golf ball is given an initial speed of 20. meters

Physics
2 answers:
shtirl [24]3 years ago
5 0
In calculus, neglecting air resistance, the formula for range is R = v(0)^2 sin 2A/g, where v(0) is the initial speed, A is the angle, and g is the acceleration of gravity. Here v(0) = 20 m/s, and g is a constant. 

<span>R = 400 sin 2A </span>

<span>For maximum range, sin 2A = 1, so 2A= 90°, and A=     45 
</span><span>
45 degrees  is my answer.</span>
andre [41]3 years ago
4 0

Neglecting air resistance, the greatest horizontal distance
always results from a launch angle of 45<span>° above the horizon,
no matter what the initial speed is.  This is a handy thing to know. 
You'll use it many times, and you should carry it in your toolbox
(i.e. memorize it).
</span>
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Assume that a resistor is connected between the 150 V terminal and the common terminal. The voltmeter is then connected to an un
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Answer: 316.8V

Explanation:

given data:

metre moving current = 0.96mA

meters voltage = 288V

or  0.96*300V = 288V

<u><em>Solution:</em></u>

<u><em /></u>v1 = (0.96mA*150)<u><em /></u>

<u><em /></u>= 144V<u><em /></u>

<u><em /></u>

i1 = \frac{144v}{750}

= 0.192mA

i2 = imovement + i1

i2= 0.96mA+0.192mA

= 1.152mA

Vmeasured = 144V+(150)(1.152mA)

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7 0
3 years ago
Describe metallurgy. Check all that apply.
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Answer:

A, C, D

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7 0
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A pure sound wave, generated by a tuning fork, is considered a periodic wave. Which statement is true for this tuning fork sound
soldier1979 [14.2K]

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                   Time  =  (distance)  /  (speed)

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                           =  (30,000 m)  /  (30 m/s)

                           =  (30,000 / 30)  sec

                           =      1,000 seconds

                           =      16 minutes  40 seconds  
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3 years ago
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