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3 years ago

What type of accidents are among the most common cause of serious work related injuries and deaths

Physics

2 answers:

Bezzdna [24]3 years ago

7 0

Trips/slips/falls are among the most common types of work related injuries and/or deaths.

eimsori [14]3 years ago

6 0

Answer:

Falls, being caught in or between objects, electrocutions, highway collision.

Explanation:

There are the following most common accident of serious work related injuries and deaths are described below by the OSHA statistics:

Falls: This is the most common accident which occurs in at the working sites. This is caused due to lack of fall protection, dangerous ladders.
Being caught in or between objects: This is caused when someone is come in between the machine or compressed and can be crushed by the machines.
Electrocutions: It is the third most common accident occur on the construction sites. It is caused by the loose wiring and by the faulty electric designs.
Highway collision: It is the leading cause of death at construction site. Vehicle collision will leads to various non fatal injuries that will affect the life of workers and their families.

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A 65-kg ice skater stands facing a wall with his arms bent and then pushes away from the wall by straightening his arms. At the

Marrrta [24]

Our values can be defined like this,

$m = 65kg$

$v = 3.5m / s$

$d = 0.55m$

The problem can be solved for part A, through the Work Theorem that says the following,

$W = \Delta KE$

Where

KE = Kinetic energy,

Given things like that and replacing we have that the work is given by

W = Fd

and kinetic energy by

$\frac {1} {2} mv ^ 2$

So,

$Fd = \frac {1} {2} m ^ 2$

Clearing F,

$F = \frac {mv ^ 2} {2d}$

Replacing the values

$F = \frac {(65) (3.5)} {2 * 0.55}$

$F = 723.9N$

B) The work done by the wall is zero since there was no displacement of the wall, that is d = 0.

6 0

2 years ago

Con que nombre se conocieron los primeros gimnasio que se crearon

notsponge [240]

Answer:

Los primeros gimnasios registrados datan de hace más de 3000 años en la antigua Persia, donde se los conocía como zurkhaneh, áreas que fomentaban la aptitud física.

7 0

2 years ago

Assume that a 4.00 kg pendulum bob is hanging from a 7.90 m long cable. The cable is attached to a hook in the ceiling 10 m up f

leonid [27]

Answer:

Explanation:

Given

mass of Pendulum m=4 kg

Length of cable= 7.90 m

Distance between roof and Floor=10 m

$mg\sin\theta$ will Provide Torque

thus $mg\sin \theta \times L=I\cdot \alpha$

where I=moment of inertia

$\alpha$ =angular acceleration

here $\theta$ is small therefore \sin \theta \approx \theta

$\frac{g}{L}\theta =\alpha$

thus $\omega ^2=\frac{g}{L}$

$\omega =\sqrt{\frac{g}{L}}$

And $T\cdot \omega =2\pi$

$T=2\pi \sqrt{\frac{L}{g}}$

$T=2\pi \sqrt{\frac{7.90}{9.8}}=5.64 s$

Small angle refers to any angle where

$\sin \theta \approx \theta$ i.e. any angle less than $15^{\circ}$

3 0

3 years ago

You are cooking spaghetti and you look into the pot of boiling water before you put the spaghetti in. You notice the water movin

zhenek [66]

Answer:

Heat transfer is an exchange of thermal energy between two objects. The rate of heat transfer depends upon the temperatures of each entity and the medium through which the thermal energy is being transferred. In cooking, heat transfer refers to heating your food items through a cooking appliance, such as a stove, fryer, microwave, or oven.

Explanation:

I hope it helps

3 0

3 years ago

Read 2 more answers

When the dog shakes his body, his fur and the droplets of water clinging to it move in circular arcs. If the droplets leave the

AysviL [449]

Answer:

A) True. The droplets will move in parabolic arcs.

Explanation:

When the dog shakes the drops that leave the fur they leave with a speed and an angle; These are now subject to the out of gravity that accelerates them in the vertical axis and has no outside the horizontal axis, so they must describe a parabolic movement.

Pair to describe a central force that changes its speed, but this force does not exist once they leave the dog

Let's check the answers

A) True. You agree with the analysis

B) False. There is an outside on the axis and therefore the line is deviating

C) False. There is no radial force that creates this movement

4 0

3 years ago