A projectile is launched from a point A at angle of 37˚ with an initial velocity of 10m/s up an incline plane that makes an angle of 8˚ with horizontal. The projectile hits the incline plane at a

point B. Calculate: a) the time it takes for the projectile to the incline plane. b) the distance AB.

Which type of electromagnetic waves are dangerous enough to be used to kill cancerous cells? (a)gamma rays (b)visible light (c)infrared light (d)microwaves

What is meant by the statement" the melting poin of glycerine is 13 degree celsius

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?