A. Distilled water
B. Engine oil
C. Isopropyl alcohol
D. Kerosene
Correct Answer:
Option C – Isopropyl alcohol
Which of the following substances is used for cleaning the mouse ball?
![A ball bearing is projected vertically upwards from the ground with a velocity of 15ms‾¹. Calculate the time taken by the ball to return to the ground [g = 10ms‾²]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A ball bearing is projected vertically upwards from the ground with a velocity of 15ms‾¹. Calculate the time taken by the ball to return to the ground [g = 10ms‾²]")
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