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stepladder [879]
3 years ago
5

Structures can fail due to errors in design or errors in materials. Give an example of each of the two reasons for structural fa

ilure, and explain your responses.
Physics
1 answer:
zysi [14]3 years ago
4 0

Answer:

hmmm

Explanation:

error of parallax or poor measurement

poor structural material

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Which sentences describes an object that has kinetic energy
Serggg [28]
Anything associated with the movement of objects has kinetic energy.
Examples are river flowing, moving cars, wind mills, or even just simple walking and running
3 0
4 years ago
A 600 kg elevator starts from rest. It moves upward for 4.50 s with constant acceleration until it reaches its cruising speed, 1
viktelen [127]

Answer:

408.33watts

Explanation:

Power is expressed according to the formula

Power = work done/time

Power = force × distance/time

Power = Force× velocity

Find the force

F = mv/t

F = 600×1.75/4.5

F = 1050/4.5

F=233.33N

Get the power

Power = 233.33×1.75

Power = 408.33watts

Hence the average power of the elevator motor during this period is 408.33m/s

3 0
3 years ago
An object moves in simple harmonic motion described by the equation d equals one fifth sine 2 t where t is measured in seconds a
tensa zangetsu [6.8K]

Answer:

The maximum​ displacement, the​ frequency, and the time required for one cycle are 1/5 inch, 1/π Hz and π sec.

Explanation:

Given that,

The equation of simple harmonic motion

d = \dfrac{1}{5}\sin 2t.....(I)

We need to calculate the maximum amplitude

Using equation of simple harmonic motion

y = a \sin\omega t

Where, a = amplitude

\omega =frequency

t = time

On comparing equation (I) and general equation

The amplitude is a maximum displacement traveled by a wave.

a = \dfrac{1}{5}

So, the maximum displacement is

d= \dfrac{1}{5}\ inch

We need to calculate the frequency

\omega=2\pi f

f = \dfrac{1}{\pi}\ Hz

We need to calculate the time required for one cycle

t =\dfrac{1}{f}

t =\pi\ sec

Hence, The maximum​ displacement, the​ frequency, and the time required for one cycle are 1/5 inch, 1/π\ Hz and π\ sec.

3 0
3 years ago
What is motion? give 3 examples
Tomtit [17]

Answer:

Motion definition: the action or process of moving or being moved.

Examples:

1. moving a hand

2. riding a bicycle

3. running

8 0
3 years ago
What is the Force in Newtons exerted by brick with a mass of 0.5 kg and an Acceleration of 52m/s2?
Sliva [168]
F= a*m
F= 0.5 kg * 52m/s^2
F=26kgm/s^2 or 26N

7 0
3 years ago
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