Answer:
C. parabolic Curve
Explanation:
The trajectory of a projectile motion is parabolic.
If a ball is thrown at angle of 45° to the horizontal then it will follow a parabolic curve during its motion as its a projectile motion. The other options are incorrect as sine curve is a periodic type of curve. linear curve and tangential curve are also out of place.So option C is correct
Work done by the force is 150 Joules.
Steps involved in the question:
Step one:
Given data
Force F= 10N
the distance is described by the coordinate = (0,0) to (15,0)
hence the distance = 15m in the x-direction.
Step two:
Required is the work done
we know that work done is expressed as
Wd= Force* Distance
Wd= 10*15
Wd= 150 Joules
To learn more about work done refer : brainly.com/question/25573309
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Answer:

Explanation:
From the question we are told that
Mass 
Velocity of mass 
Force of Tunnel 
Length of Tunnel 
Height of frictional incline 
Angle of inclination 
Acceleration due to gravity 
First Frictional surface has a coefficient
Second Frictional surface has a coefficient 
Generally the initial Kinetic energy is mathematically given by



Generally the work done by the Tunnel is mathematically given as



Therefore



Generally the energy lost while climbing is mathematically given as



Generally the energy lost to friction is mathematically given as



Generally the energy left in the form of mass
is mathematically given as



Since

Therefore
It slide along the second frictional region


Answer:
just multiply the frequency and wavelength
200× 2
400
Answer:
No, the pendulum's period of oscillation does not depend on initial angular displacement.
Explanation:
Given that,
For small angle, the pendulum's period of oscillation depend on initial angular displacement from equilibrium.
We know that,
The time period of pendulum is defined as

Where, l = length of pendulum
g = acceleration due to gravity
So, The time period of pendulum depends on the length of pendulum and acceleration due to gravity.
It does not depend on the initial angular displacement.
Hence, No, the pendulum's period of oscillation does not depend on initial angular displacement.