Describe the ratio of kinetic energy and potential energy the skateboarder will have at each of the following points in her ride
. Also, explain how the mechanical energy changes throughout the ride if there are no non-conservative forces acting on the system.
- at the top of the ramp
- a quarter of the way down the ramp
- halfway down the ramp
- three-quarters of the way down the ramp
- at the bottom of the ramp
Be sure to support your response with evidence from the text.
- at the top of the ramp
- a quarter of the way down the ramp
- halfway down the ramp
- three-quarters of the way down the ramp
- at the bottom of the ramp
Be sure to support your response with evidence from the text.
1 answer:
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Answer:
B = 0.8 T
Explanation:
It is given that,
Radius of circular loop, r = 0.75 m
Current in the loop, I = 3 A
The loop may be rotated about an axis that passes through the center and lies in the plane of the loop.
When the orientation of the normal to the loop with respect to the direction of the magnetic field is 25°, the torque on the coil is 1.8 Nm.
We need to find the magnitude of the uniform magnetic field exerting this torque on the loop. Torque acting on the loop is given by :
B is magnetic field
So, the magnitude of the uniform magnetic field exerting this torque on the loop is 0.8 T.