2 years ago

a cheetah reaches a speed of 30 m/s as it chases its prey. What is the kinetic energy of the cheetah?

Mathematics

1 answer:

ZanzabumX [31]2 years ago

3 0

Kinetic energy is in movement, so the answer is obviously the cheetah running :)

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At a department store, Kendra has a debt greater than $25.00. Which could be Kendra’s balance?

jeka57 [31]

Debt is negative dollars, which means she owes at least 25 dollars to the department store

her balance is -25.00 + x

hope this helps

or -25 >x

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3 years ago

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How do you simplify the square root of 97? I'm finding the distance from points (-4, 3) and (5, -1) and the distance between the

Maru [420]

97 is not a pefect square. You can obtain the square root of 97 using a calculator.
Using a calculator, square root of 97 is approximately 9.85

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2 years ago

At what angle does a diffraction grating produce a second-order maximum for light having a first-order maximum at 20.0 degrees?

hichkok12 [17]

Answer:

At 43.2°.

Step-by-step explanation:

To find the angle we need to use the following equation:

$d*sin(\theta) = m\lambda$

Where:

d: is the separation of the grating

m: is the order of the maximum

λ: is the wavelength

θ: is the angle

At the first-order maximum (m=1) at 20.0 degrees we have:

$\frac{\lambda}{d} = \frac{sin(\theta)}{m} = \frac{sin(20.0)}{1} = 0.342$

Now, to produce a second-order maximum (m=2) the angle must be:

$sin(\theta) = \frac{\lambda}{d}*m$

$\theta = arcsin(\frac{\lambda}{d}*m) = arcsin(0.342*2) = 43.2 ^{\circ}$

Therefore, the diffraction grating will produce a second-order maximum for the light at 43.2°.

I hope it helps you!

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2 years ago

Part A The year in which the US Civil War ended was 25 percent later than the year Christopher Columbus set sail from Spain. If

IRINA_888 [86]

Answer:

0.25 c to the second

Step-by-step explanation:

i think

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2 years ago

Convert 35 kilometers to miles

Finger [1]

Answer:

The answer would be 21.248 miles

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2 years ago

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