A roller coaster car rapidly picks up speed as it rolls doen a slope. As it starts down the slope, it's speed is 4m/s. But 3 sec
onds later, at the bottom of the slope, it's speed is 22m/s. What is its average acceleration?
1 answer:
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Answer:
<h2>x = 2</h2>
Step-by-step explanation:
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The steps of the solution in the photo above
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No Solution
No Solution
All real numbers
Any number in place of x makes the equation true
Answer:
The answer is b or d since the radius is the square root of 4
Step-by-step explanation:
Answer:
rate=55 percent
Step-by-step explanation:
SI=PRT
p=90
r=?
t=2
si=99
R=SI÷PT
R=99÷90×2
r=99÷180=0.55
r=0.55×100
R=55%
