The nut distance from the Bullwinkle after uniform motion is 21 m.
We need to know about the uniform motion to solve this problem. The uniform motion is an object's motion under acceleration. It should follow the rule
vt = vo + a . t
vt² = vo² + 2a . s
s = vo . t + 1/2 . a . t²
where vt is final velocity, vo is initial velocity, a is acceleration, t is time and s is displacement.
From the question above, the parameters given are
m = 0.5 kg
s = 15 m
vx = 12 m/s
vo = 0 m/s
a = g = 9.8 m/s²
Find the time taken of the nut for landing
s = vo . t + 1/2 . a . t²
15 = 0 + 1/2 . 9.8 . t²
t² = 3.06
t = 1.75 s
Find the distance of nut in horizontal direction
vx = x / t
12 = x / 1.75
x = 12 . 1.75
x = 21 m
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Answer:
109.8 nm
Explanation:
The first ionization energy of a hydrogen atom is,
And Plank's constant,
And the speed is,
Now the formula for energy will be,
Put all the variable after rearranging for lambda.
Therefore the wavelength of light is 109.8 nm to ionize a carbon atom .
Answer:
100N
Explanation:
Given parameters:
Mass = 20kg
Acceleration = 5m/s²
Unknown:
Force needed to cause the acceleration = ?
Solution:
According to Newton's second law of motion, force is the product of mass and acceleration.
Force = ma
m is the mass
a is the acceleration
Now insert the parameters and solve;
Force = 20 x 5 = 100N
Answer:the witch has nothing to do with the problem
Explanation: