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NemiM [27]
2 years ago
6

Q5- Knowing now that your mood might affect your memory, what strategies could you employ to assist your memories and make sure

that you forget less information when you are having a good time?
Physics
1 answer:
Tema [17]2 years ago
4 0
You can try recalling and rehearsing information about the memory.
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In a particular television picture tube, the measured beam current is 23.3 µA . How many electrons strike the tube screen every
zysi [14]

Answer:

Explanation:

Given that

Beam current (i)=23.3µA

And the time to strike(t)=28s

Also, a fundamental charge e=1.602×10^-19C

Then, the charge quantity is given as,

q=it

Then, q=23.3×10^-6×28

q=6.524×10^-4C

Also, the number of electron N is given as

q=Ne

Therefore, N=q/e

So, N=6.524×10-4/1.602×10^-19

N=4.072×10^15

There are 4.072×10^15 electrons strike the tube screen every 28 s.

7 0
3 years ago
Formula one racers speed up much more quickly than normal passenger vehicles, and they also can stop in a much shorter distance.
soldi70 [24.7K]

Answer:

a = -36.8 m/s/s

Explanation:

Initial speed of the car

v_i = 90 m/s

finally car will stop after it cover the distance

d = 110 m

so we have

v_f^2 - v_i^2 = 2 a d

here we have

0 - 90^2 = 2(a) (110)

a = \frac{90^2}{220}

a = -36.8 m/s^2

8 0
4 years ago
You and your friend Peter are putting new shingles on a roof pitched at 21∘. You're sitting on the very top of the roof when Pet
Marat540 [252]

Answer:

3.69 m/s

Explanation:

Forces :

mgsin Θ - mumgcosΘ = ma  

g x sinΘ  - mu x g x cosΘ  = a

9.8 x sin 21 - 0.53 x 9.8 x cos 21 = a

a = -1.337 m/s²

so you have final velocity = 0 m/s

initial velocity = ? m/s

Given d = 5.1 m

By kinematics

vf² = vo² + 2ad

0 = vo² + 2 x -1.337*5.1

vo = 3.69 m/s

8 0
4 years ago
When you start the simulation, there is no friction and no air resistance ("Air Drag"). Apply full force to the right, 200N. Wil
kakasveta [241]

Answer:Like friction, the drag force always opposes the motion of an object. ... The drag coefficient can depend upon velocity, but we will assume that it is a ... At highway speeds, over 50% of the power of a car is used to overcome air drag. ... A zero net force means that there is no acceleration, as given by Newton's second law.

3 0
3 years ago
Find two words in a vocabulary list that descirbe the bending of a wave
Paraphin [41]
Reflection and refraction 


7 0
4 years ago
Read 2 more answers
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