Answer:
Given that Venus' mass is 4.87x1024 kg and it's Equatorial Radius is 6.05x106 m.
Explanation:
What is the work done in stretching a spring by a distance of 0.5m if the restoring force is 48N is 12 J.
Hooke's Law states that the more you deform a spring, the more force it will take to deform it further.
Notations: F= Restoring force
k= spring constant
x = spring displacement
Given: F = 48N,
x= 0.5m
By using Formula; F= kx
F = 48 = kx, k = F/x
k = 48/0.5 = 96 N/m
work done by spring = 1/2 (kx)² = 1/2(96x0.5)² = 12 J
work done by spring is 12J.
Learn more about the Hooke's law with the help of the following link:
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Answer:
3.64 m
Explanation:
m = Mass of object = 70 kg
Kinetic energy of the object = 2500 J
g = Acceleration due to gravity =
h = Height from which the object is dropped
Kinetic energy is given by
From conservation of energy we get kinetic energy equal to potential energy.
The object was released from a height of 3.64 m.
Answer:
Momentum,
Explanation:
The wave function of a particle is given by :
...............(1)
Where
x is the distance travelled
t is the time taken
k is the propagation constant
is the angular frequency
The relation between the momentum and wavelength is given by :
............(2)
From equation (1),
Use above equation in equation (2) as :
Since,
So, the x-component of the momentum of the particle is . Hence, this is the required solution.
Wavelengths would be high frequency