A spherical ball rolls without slipping determine the percentage of rotational kinetic energy

2 answers

What is the angle of the incline?
KE
Total

=
2
1

IW
2
+
2
1

MV
2

=
2
1

×
5
2

MR
2
W
2
+
2
1

MV
2

=
5
1

MR
2
W
2
+
2
1

MV
2
=
5
1

MV
2
+
2
1

MV
2

=
10
7

MV
2


KE
rot

=
2
1

IW
2
=
5
1

MV
2


KE
Total


KE
rot



=
10
7

MV
2

5
1

MV
2



=
7
2

.