Avan is traveling at a speed of 55 km/h. a girl sitting near the driver of the van throws a paper airplane to a boy at the back of the van with a speed of 2 km/h. the speed of the paper airplane, to the nearest whole number relative to the boy, is (blank) km/h.

Velocity of van = 55 km/h

velocity of plane towards boy = 2 km/h

Since boy is inside the van so boy will also travel with same speed as that of van

Speed of boy = 55 km/h

Now relative speed of plane with respect to boy

speed is boy is opposite to the plane speed so it is taken to be negative

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

massxgravity x heght=weightxheight= pe

4900=490xh

h=10