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ziro4ka [17]
3 years ago
7

Hii please help i’ll give brainliest!!

Physics
1 answer:
faltersainse [42]3 years ago
8 0
The mass of the box
HOPE THIS HELPS❤️
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A proton and an electron are moving in the +x direction in a magnetic field in the +z
Aleksandr [31]

Answer:

Explanation:

Force on a moving charge is given by the following relation

F = q ( v x B )

for proton

q = e  ,   v = vi  , B = Bk

F = e ( vi x Bk )

= Bev - j

= - Bevj

The direction of force is along negative of y axis or -y - axis.

for electron

q = - e  ,   v = vi  , B = Bk

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=  Bevj

The direction of force is along positive  of y axis or + y - axis.

5 0
3 years ago
An airport has runways only 198 m long. a small plane must reach a ground speed of 39 m/s before it can become airborne. what av
Anarel [89]
S: 198 m 
v=39 m/s 
u=0
t=? 
a=?

v²=u²+2as
(39)²=(0)²+2(a)(198) 
1521=396a
1521/396=a
3.84 m/s^2 = a 

Hope I helped :) 
8 0
3 years ago
Any two waves that meet as they travel through the same medium will interact. If the two waves are in phase their crests will co
MrRissso [65]

Answer:

constructive

alpitude

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