SL K, DAD "H
REVISION QUESTIONS
SS3 | JAMB
SS2 | WAEC
SS1
NELU
۱ IS
منا

A picture of weight 4n is supported by a string on a
nail,
Find the tension on the string
lif f the
the string inclined at 70 each
to the
Vartical​

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?

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?