If your room mate complains that the near point of his/her eyes is further from the eye than 25cm. used on your knowledge of physics, suggest a suitable optical device to correct this. (A) convex lens
(B) concave lens
(C) concave mirror
(D) convex mirror

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?

Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest