Answer:
19. down
20. True
Explanation:
The examples I saw were projectiles launched at different angles and speeds. In each case, the only acceleration was ...
19: down
20: due to gravity (true)
Answer:
The new electric field strength of this charge is half of the strength of the other charge.
Explanation:
The electric force acting on the charge particle is given by :
F = q E
Where
q is the charged particle
E is the electric field
If the magnitude of a charge is twice as much as another charge, q' = 2q, but the force experienced is the same, then the new electric field is given by :
So, the new electric field strength of this charge is half of the strength of the other charge. Hence, this is the required solution.
Easy my dude.
Impulse (J) is equal to the change in momentum of the ball. It is also equal to Force times Time:
J = Ft
J = (550 N)(0.03 s)
J = 16.5 Ns
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Answer:
Explanation:
mass m = 3.8 g
= 3.8 x 10⁻³ kg
force = 2.7 x 10⁻³N
acceleration = - 2.7 x 10⁻³ / (3.8 x 10⁻³)
a =- .7105 m /s²
= 71.05 cm/s²
v² = u² - 2 a s
= 2.2² - 2 x 71.05 x 19.4
= 4.84 - 2756.74
= - 2751.9
= - 2752 cm /s
Since it is negative that means , resistive force will not allow it to enter esophagus . It will be going in upward direction.
It appears that there is something wrong with given data.
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