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MariettaO [177]
2 years ago
15

If a mass of 1 kg is accelerated to 1 m/s2 by a force of 1 N, then

Physics
1 answer:
dimaraw [331]2 years ago
4 0

Answer:

1 Newton = 1 kg • m/s2

Explanation:

One Newton is defined as the amount of force required to give a 1-kg mass an acceleration of 1 m/s/s.

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4.1 A steel spur pinion has a pitch of 5 teeth/in, 20 full-depth teeth, and a 20° pressure angle. The pinion runs at a speed of
Vesnalui [34]

Answer:

15.07 ksi

Explanation:

Given that:

Pitch (P) = 5 teeth/in

Pressure angle (\Phi) = 20°

Pinion speed (n_p ) = 2000 rev/min

Power (H) = 30 hp

Teeth on gear (N_G) = 50

Teeth on pinion (N_p) = 20

Face width (F) = 1 in

Let us first determine the diameter (d) of the pinion.

Diameter (d) = \frac{N}{P}

=\frac{20}{5}

= 4 in

From the values of Lewis Form Factor Y for (n_p ) = 20 ; at 20°

Y = 0.321

To find the velocity (V); we use the formula:

V = \frac{\pi d n_p}{12}

V = \frac{\pi *4*2000}{12}

V = 2094.40 ft/min

For cut or milled profile; the velocity factor (K_v) can be determined as follows:

K_v = \frac{2000+V}{2000}

K_v = \frac{2000+2094.40}{2000}

= 2.0472

However, there is need to get the value of the tangential load(W^t), in order to achieve that, we have the following expression

W^t=\frac{T}{\frac{d}{2} }

W^t = \frac{63025*H}{\frac{n_pd}{2}}

W^t = \frac{63025*30}{2000*\frac{4}{2}}

W^t = 472.69 lbf

Finally, the bending stress is calculated via the formula:

\sigma = \frac{K_vW^tp}{FY}

\sigma = \frac{2.0472*472.69*5}{1*0.321}

\sigma = 15073.07 psi

\sigma = 15.07 ksi

∴ The estimate of the bending stress = 15.07 ksi

4 0
3 years ago
Read 2 more answers
Which of the following is an example of a cinder cone volcano?
Westkost [7]
C......................................
6 0
3 years ago
Read 2 more answers
CAN SOMEONE HELP ME PLEASE AND SHOW WORK
riadik2000 [5.3K]

Answer:

.3,.29

Explanation:

all you gotta is divide the distance traveled by the velocity which is simply 6.5/22

the answer comes out as .295454...

7 0
3 years ago
An ice skater spins with an angular speed 2w with an angular speed
sveticcg [70]
Anwser

It decreases The factor of two.

Step by step explanation

If she spin at a angular speed of 2w, and an initial speed of fi, when she slows down she is only has a angular speed of W, meaning that decreased 2

PS the anwser above me is wrong because in the question it said she decree so I couldn’t have stayed the same.

Hope this helps!
4 0
2 years ago
The KEOM tower across the street from West is approx. 155 meters high
blondinia [14]

You told your insane friend that it will take the book 5.6 s to get to the ground.

From the question given above, the following data were obtained:

Height (H) = 155 m

<h3>Time (t) =? </h3>

<u>NOTE</u>: Acceleration due to gravity (g) = 10 m/s²

The time taken for the book to get to ground can be obtained as follow:

<h3>H = ½gt²</h3>

155 = ½ × 10 × t²

155 = 5 × t²

<h3>Divide both side by 5</h3>

t^{2}  = \frac{155}{5}\\\\

t² = 31

<h3>Take the square root of both side </h3>

t = \sqrt{31}

<h3>t = 5.6 s</h3>

Thus, the time taken for the book to get to the ground is 5.6 s

Hence, you told your insane friend that it will take the book 5.6 s to get to the ground.

Learn more: brainly.com/question/24903556

7 0
2 years ago
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