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1 year ago

Which color of visibe light has a lower frequency than orange light

1 answer:

8 0

red having the frequency of 4.62 and at its limit 4.29 has the lowest frequency. It is the lowest before orange which has 5.00.

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A 16 lb weight stretches a spring 6 inches in equilibrium. It is attached to a damping mechanism with constant c. Find all value

arlik [135]

Answer:

$-8$

Explanation:

Given data:

Weight W = 16 lb

length l = 6/12 = 0.5 ft

hence, spring constant k = W/l = 16/0.5 = 32 lb/ft

The equation of motion of spring is

$mx''+cx+kx=0\\0.5x''+cx'+32x=0$

the auxiliary equation can be written as

$0.5r^2+cr+32=0\\r^2+2cr+64=0$

The discriminate of equation is

$D =(2c)^2+-4(1)(64)\\=4(c^2-64)$

To get the value of the damping constant,

$D$

6 0

2 years ago

5. A bus starting from rest accelerates in a straight line at a constant rate of 3m/s2 for 8s. Calculate the distance travelled

mojhsa [17]

Answer:

d = 96 meters

Explanation:

a = acceleration

t = time

d = distance

$d = \frac{1}{2} \times a \times {t}^{2}$

$d = \frac{1}{2} \times 3 \times {8}^{2}$

$d = 96$

8 0

3 years ago

You're driving down the highway late one night at 22 m/s when a deer steps onto the road 38 m in front of you. Your reaction tim

sleet_krkn [62]

speed of the car is given on the road

$v = 22 m/s$

reaction time is given as

$t = 0.50 s$

now we can find the distance that it will move during this reaction time

$d_1 = 22* 0.50 = 11 m$

now the deceleration of the car is 10 m/s^2

so the distance that it will move before stop is given by

$v_f^2 - v_i^2 = 2 a d$

$0^2 - 22^2 = 2*(-10)*d$

$d = 24.2 m$

so the total distance that it require to stop is given as

$d = 24.2 + 11 = 35.2 m$

while the deer is standing at distance 38 m

so the car will stop 2.8 m before the position of deer

3 0

3 years ago

The land between two normal faults moves upward to form a

Leya [2.2K]

<span>The land between two normal faults moves upward to form a

Answer:D</span><span>
fault-block mountain.</span>

5 0

3 years ago

Read 2 more answers

How do exons and introns differ?

Norma-Jean [14]

Exons And Introns differ because Exons code for protein and Introns do not.

so your answer would be: Exons code for Proteins

Are you in K12?

7 0

3 years ago