3 years ago

You are skydiving and accelerating at 9.8 meters per second

Physics

1 answer:

Yuri [45]3 years ago

4 0

It would take you 5.61 seconds to reach that velocity

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What is the wavelength that corresponds to a frequency of 6.00x1014 hz?

kipiarov [429]

The basic relationship between wavelength $\lambda$ , frequency f and speed c of an electromagnetic wave is
$\lambda= \frac{c}{f}$
where c is the speed of light. Substituting numbers, we find:
$\lambda= \frac{c}{f}= \frac{3 \cdot 10^8 m/s}{6.0 \cdot 10^{14} Hz}=5\cdot 10^{-7} m$

4 0

3 years ago

What force is needed to move a barrel 45-m if 3600 J of work are accomplished?

lesantik [10]

Answer:

<h3>The answer is 80 N</h3>

Explanation:

The force acting on the object can be found by using the formula

$f = \frac{w}{d} \\$

where

d is the distance

w is the work done

We have

$f = \frac{3600}{45} \\$

We have the final answer as

Hope this helps you

8 0

3 years ago

Which substance has the highest density at room temperature?

12345 [234]

I think phosphorus has the highest density at room temp.

6 0

3 years ago

What law states that, in any process, energy is neither created nor destroyed?

kupik [55]

The law<span> of conservation of </span><span>energy.</span>

8 0

3 years ago

Sometimes, when the wind blows across a long wire, a low-frequency "moaning" sound is produced. The sound arises because a stand

Crazy boy [7]

Answer:

The smallest integer is n = 4

Explanation:

Using the equation V= Sqrt(F/Linear density)

V= Sqrt(341/0.0120)

V= Sqrt(28416.7)

V= 168.57m/s

Path distance =[ (n +1)/2]lambda

But V= f(Lambda)

n lambda/2 =L

n = f2L/V

n = (20 × 2 × 16.86) / 168.57

n = 4.0007

The smallest integer is n= 4

6 0

3 years ago