A ball is released from rest and rolls down an inclined plane, as shown in the following figure, requiring 4 s to cover a distance of 100 cm along the plane:Which one of the following is the correct value of angle θ that the plane makes with the horizontal? (g = 1000 cm/s2)

A ball is released from rest and rolls down an inclined plane, as show

1.	A ball is released from rest and rolls down an inclined plane, as shown in the following figure, requiring 4 s to cover a distance of 100 cm along the plane:Which one of the following is the correct value of angle θ that the plane makes with the horizontal? (g = 1000 cm/s2)
A.	θ = sin-1 (1/9.8)
B.	θ = sin-1 (1/20)
C.	θ = sin-1 (1/80)
D.	θ = sin-1 (1/100)
Answer» D. θ = sin-1 (1/100)

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A ball is released from rest and rolls down an inclined plane, as shown in the following figure, requiring 4 s to cover a distance of 100 cm along the plane:Which one of the following is the correct value of angle θ that the plane makes with the horizontal? (g = 1000 cm/s2)

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