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snow_tiger [21]
3 years ago
6

An airplane flies 1,350 miles with a constant speed of 540 mph then it flies another 1,925 miles with a constant speed of 660 mp

h. How much time in total does it take to travel these distances?
Physics
1 answer:
Snowcat [4.5K]3 years ago
7 0

Answer:

5.146

Explanation:

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An object is hung on the end of a vertical spring and is released from rest with the spring 3 unstressed. If the object falls 3.
den301095 [7]

Answer:

The period of the resulting oscillatory motion is 0.20 s.

Explanation:

Given that,

Spring constant k= 3\ N/m^2

We need to calculate the time period

The object is at rest and has no elastic potential but it does has gravitational potential.

If the object falls then the the gravitational potential change in to the elastic potential.

So,

mgh=\dfrac{1}{2}kh^2

m=\dfrac{1}{2}\times\dfrac{kh}{g}

Where,h = distance

k = spring constant

Put the value into the formula

m=\dfrac{1\times3\times3.42\times10^{-2}}{2\times9.8}

m=5.235\times10^{-3}\ kg

Using formula of time period

T=\dfrac{1}{2\pi}\times\sqrt{\dfrac{m}{k}}

Put the value into the formula

T=\dfrac{1}{2\pi}\times\sqrt{\dfrac{5.235\times10^{-2}}{3}}

T=0.20\ sec

Hence, The period of the resulting oscillatory motion is 0.20 s.

8 0
3 years ago
Which term refers to the rate of change of motion?
borishaifa [10]

Answer:

The term that refers the rate change of motion is acceleration.

Explanation:

The rate at which the motion changes is called as the acceleration. It is a vector quantity with the SI unit meters. There is device to measure the acceleration called as accelerometer. The acceleration is also affected by the increase and the decrease of the force and mass. It is directly proportional to it. The acceleration increases with force, but found to be decreasing with mass. It can be calculated by taking the product of displacement by time.

4 0
3 years ago
How do you use the SI conversion tool to perfom metric conversions?
Leno4ka [110]
Is there supposed to an attachent like a pic or somthing?
4 0
3 years ago
A motorcycle begins at rest and accelerates uniformly S7.9 we want to find a time to take the motorcycle to reach a speed of 100
Len [333]

The motorbike reaches 100 km/h in 3.5 seconds

Explanation:

The motion of the motorbike is a uniformly accelerated motion (= constant acceleration), therefore we can use the following suvat equation:

v=u+at

where

v is the final velocity

u is the initial velocity

a is the acceleration

t is the time

For the motorbike in this problem,

u = 0 (it starts from rest)

v = 100 km/h = 27.8 m/s is the final velocity

a=7.9 m/s^2 is the acceleration

Solving for t, we find the time it takes for the bike to reach that velocity:

t=\frac{v-u}{a}=\frac{27.8-0}{7.9}=3.5 s

Learn more about accelerated motion:

brainly.com/question/9527152

brainly.com/question/11181826

brainly.com/question/2506873

brainly.com/question/2562700

#LearnwithBrainly

6 0
3 years ago
How many outer-orbital electrons are found in an atom of:a) Na?b) P?c) Br?d) I?e) Te?f) Sr?
lys-0071 [83]

Answer:

  1. Na=1
  2. P=5
  3. Br=7
  4. I=7
  5. Te=6
  6. Sr=2

6 0
2 years ago
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