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Ira Lisetskai [31]
3 years ago
9

Jared would describe a square as having four equal sides and four right angles. This is Jared’s __________ of a square. A. model

B. hierarchy C. feature D. concept Please select the best answer from the choices provided A B C D
Physics
1 answer:
zheka24 [161]3 years ago
4 0

Answer:

D

Explanation:

jhusskgtyddutsuudtiff

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An electron experiences a magnetic force with a magnitude of 4.90×10−15 n when moving at an angle of 60.0 ∘ with respect to a ma
Leya [2.2K]
Missing questions: "find the speed of the electron".

Solution:
the magnetic force experienced by a charged particle in a magnetic field is given by
F=qvB \sin \theta
where
q is the particle charge
v its velocity
B the magnitude of the magnetic field
\theta the angle between the directions of v and B.

Re-arranging the formula, we find:
v= \frac{F}{qB \sin \theta}
and by substituting the data of the problem (the charge of the electron is q=1.6 \cdot 10^{-19} C), we find the velocity of the electron:
v= \frac{F}{qB \sin \theta}= \frac{4.90 \cdot 10^{-15}N}{(1.6 \cdot 10^{-19}C)(3.70 \cdot 10^{-3} T)(\sin 60^{\circ})}=9.56 \cdot 10^6 m/s
4 0
3 years ago
What is the speed of a commercial jet which travels form New York to Los Angeles (4800) in 6 hours
Colt1911 [192]

Answer:

Speed = 800km}/hr

Explanation:

Given

Distance = 4800km

Time = 6hr

Required

Determine the speed of the jet

The speed is calculated as:

Speed = \frac{Distance}{Time}

Substitute 4800 km for Distance and 6hr for Time

Speed = \frac{4800km}{6hr}

Speed = 800km}/hr

<em>Hence, the speed of the commercial jet is 800km/hr</em>

8 0
2 years ago
A simple pendulum takes 32 sec to complete 20 oscillations .what is the time period of the pendulum?
musickatia [10]
A simple pendulum that takes 32 sec. to complete 20 oscillations has a time period of 10 min. and 6 sec.
5 0
3 years ago
Why might acting happy actually make one happy
dexar [7]
Because they are mentally trying to extinguish the negative things in their lives and focus on the positive things
5 0
2 years ago
How are energy sources managed?<br><br> Could you link a site with a good answer?
Arturiano [62]

Answer: When it comes to energy saving, energy management is the process of monitoring, controlling, and conserving energy in a building or organization. Typically this involves the following steps: Metering your energy consumption and collecting the data.

Explanation:

8 0
2 years ago
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