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3 years ago

What is the maximum and minimum resultant possible from a 20-N force and 4-N force?

Physics

1 answer:

gizmo_the_mogwai [7]3 years ago

8 0

Maximum force = 20+4 = 24
Minimum force= 20-4= 16

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0.0135 kg of steam at 100°C is

lora16 [44]

Answer:

33333.35 kg

Explanation:

I got it right on Acellus, rounded to 33300 sigfigs

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3 years ago

A cosmic ray electron moves at 7.45 â 106 m/s perpendicular to the earth's magnetic field at an altitude where field strength is

kupik [55]

The magnetic force on the electron is:
$F=qvB \sin \theta$
where q is the electron charge, v the electron speed, B the magnetic field intensity and $\theta$ is the angle between v and B. Since the electron is traveling perpendicular to the magnetic field, $\sin \theta = \sin 90^{\circ}=1$ , so we can write
$F=qvB$

This force acts as centripetal force of the motion, $F_c = m \frac{v^2}{r}$ , where m is the electron mass and r the radius of the circular orbit. So we can write:
$qvB=m \frac{v^2}{r}$
and by re-arranging this equation, we find the radius of the circular orbit, r:
$r= \frac{mv}{qB}= \frac{(9.1 \cdot 10^{-31}kg)(7.45 \cdot 10^6 m/s)}{(1.6 \cdot 10^{-19}C)(1.10 \cdot 10^{-5}T)}= 3.85 m$

6 0

3 years ago

EASY. PLEASE HELP. David is on a school bus stopped at a pick up point where students are getting on the bus. Once everyone is s

goldenfox [79]

Answer:

Explanation:

because when things go forward quickly things get pushed back

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3 years ago

Which two vectors, when subtracted (i.e., when one vector is subtracted from the other), will have the largest magnitude?

FromTheMoon [43]

Given: Please see the attached image below.

To be able to subtract vectors, we can either use the parallelogram method or the triangle method. Take note that the only difference is that alternatively adding vectors A and B, we will instead be adding A and – B. When we ponder of vector subtraction, we must anticipate about it in terms of adding a negative vector. A negative vector has the same magnitude as the original vector, however, it has an opposite direction.

So in this problem, the two vectors that will have the largest magnitude are A & F when subtracted (i.e., when one vector is subtracted from the other).

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4 years ago

The conventional relatively small unit for work(ignoring time) such as raising one pound one foot is the foot-pound(ft. lb.). Si

Lelechka [254]

Answer:

1 joule = 0.737 foot-pound

Joule is the unit of work.

1 J = 1 N·m

In SI units

1 J = 1 kg· m/s²

0.737 foot-pound is the amount of work to raise 0.737 pounds one foot or raising one pound to 0.737 ft.

6 0

3 years ago