A projectile fired into the air suddenly explodes into several fragments. What can you say about the motion of the fragments after the collision?

What can you say about the angle sum of a convex polygon with number of sides 7 ?

Stability of a crystal is reflected in the magnitude of its melting point'. Comment. Collect melting points of solid water, ethyl alochol, diethyl ether and methane from a data book. What can you say about the intermolecular forces between these molecules?

Take four congruent card-board copies of any quadrilateral ABCD, with angles as shown in the figures. Arrange the copies as shown in the figure, where angles angle1, angle2,angle3,angle4 meet at a point. What can you say about the sum of the angles angle1, angle2,angle3 and angle4 .

Take four congruent card-board copies of any quadrilateral ABCD, with angles as shown in the figures. Arrange the copies as shown in the figure, where angles angle1, angle2,angle3,angle4 meet at a point. What can you say about the sum of the angles angle1, angle2,angle3 and angle4 .

Examine the table. (Each figure is divided into triangles and the sum of the angles deduced from that.) What can you say about the angle sum of a convex polygon with number of sides? 10

Examine the table. (Each figure is divided into triangles and the sum of the angles deduced from that.) What can you say about the angle sum of a convex polygon with number of sides? n

Examine the table. (Each figure is divided into triangles and the sum of the angles deduced from that.) What can you say about the angle sum of a convex polygon with number of sides? 7

Examine the table. (Each figure is divided into triangles and the sum of the angles deduced from that.) What can you say about the angle sum of a convex polygon with number of sides? 8

When a bomb explodes in mid-air, at its heighest, what is the direction of motion of its core?

The following is the distance-time table of an object in motion: What do you infer about the forces acting on the object?