Sin35= x/20
x = sin35 * 20
x = 11.47
x = 11.5
answer
C. 11.5
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cos41 = x/11
x = 11 * cos41
x = 8.3
answer
A. 8.3
-sqrt(y) = -5
Multiply
each side by (-) negative sign: sqrt(y) = 5
Square each
side: y = 25
Answer: (C) 25
Answer:
The probability that she sees exactly 4 shooting stars in the next hour is 0.13
Step-by-step explanation:
An assumption is made that she see the shooting stars of 6 every hour based on a poisson distribution.
where m is the average per hour = 6
The impulse delivered to the baseball is 140kgm/s.
Option B) 140 kg • meters per second is the correct answer.
<h3>What is Impulse?</h3>
An impulse is simply a concept that involves the change in the momentum of an object when force is introduced for a period of time.
It is expressed as;
ΔP or Change in Momentum = F × t
Where F is force applied and t is the elapsed time.
Given that;
- Mass of baseball m = 0.25kg
- Time of contact t = 0.0075s
- Force exerted F = 18500N = 18500kgm/s²
We substitute our given values into the expression above to determine the impulse.
ΔP = F × t
ΔP = 18500kgm/s² × 0.0075s
ΔP = 18500kgm/s² × 0.0075s
ΔP = 138.75kgm/s = 140kgm/s
Therefore, the impulse delivered to the baseball is 140kgm/s.
Option B) 140 kg • meters per second is the correct answer.
Learn more about Impulse here: brainly.com/question/13906369
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Supplementary angles or linear angles
Hope this helps