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Zigmanuir [339]
3 years ago
5

Which is a result of law of matter in a chemical reaction​

Physics
1 answer:
asambeis [7]3 years ago
8 0

Answer:

Hiiicxfzglkhxvdvjiyxntdhkgdbigfudd7dfctfbugvnh

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A photon has an energy of 5.53 à 10¯17 j. what is its frequency in s¯1?
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Could you please solve it with shiwing the full work
tia_tia [17]

Answer:

1.V= 640.48 m/s :total velocity in t= 5s

2. Y= 5.79m : vertical distance above the height of release (in meters) where the ball will hit a wall 13.0 m away

3. v =25m/s

4. s= (-1.5t³+26t ) m

Explanation:

1. Parabolic movement in the x-y plane , t=5s

V₀=638.6 m/s=Vx  :Constant velocity in x

Vy=V₀y +gt= 0+9.8*5  = 49 m/s : variable velocity in y

v=\sqrt{v_{x} ^{2} +v_{y} ^{2} }

v=\sqrt{ 638.6^{2} +49 ^{2} }

V= 640.48 m/s : total velocity in t= 5s

2. v_{ox} =v_{o} cos33.2=20.9*cos33,2= 17.49 m/s

v_{oy}=v_{o}*sin33,2 =20.9*sin33,2=11.44 m/s

x=v₀x*t

13=v₀x*t

13=17.49*t

t=13/17.49=0.743s : time for 13.0 m away

th=v₀y/g=11.44/9.8= 1,17s :time for maximum height

at t=0.743 sthe ball is going up ,then g is negative

y=v₀y*t - 1/2 *g¨*t²

y=11.44*0.743 -1/2*9.8*0.743²

y= 5.79m : vertical distance above the height of release (in meters) where the ball will hit a wall 13.0 m away

3. s = (1t3 + -5t2 + 3) m

v=3t²-10t=3*25-50=75-50=25m/s

at t=0, s=3 m

at t=5s s=5³-5*5²+3

4.  a = (-9t) m/s2

a=dv/dt=-9t

dv=-9tdt

v=∫ -9tdt

v=-9t²/2 + C1 equation (1)

in t=0  , v₀=26m/s ,in the equation (1) C1= 26

v=-9t²/2 + 26=ds/dt

ds=( -9t²/2 + 26)dt

s= ∫( -9t²/2 + 26)dt

s= -9t³/6+26t+C2 Equation 2

t = 0, s = 0 , C2=0

s= (-9t³/6+26t ) m

s= (-1.5t³+26t ) m

5 0
3 years ago
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