What type of wave vibrates parallel to the direction of travel

Sun looks slightly oval when it is at horizon. why?

Can an ordinary object, like a motorcycle, be mass-less? Yes or No

A bookshelf is 2m long, with supports at its end (p and q). A book weighing 10N is placed in the middle of the shelf. what are the upward forces acting on p and q. if the book is moved 50 cm from q, what are the forces at p and q now?

A brick is lying on a table in a state of static equilibrium. If the mass of the brick is 7.52 kilograms, what is the normal force exerted by the table on the brick A. - 73.7 newtons B. 73.7 newtons C. 80.7 newtons D. 7.52 newtons E. 8.07 newtons

You are standing on a straight stretch of road and watching the motion of a bicycle; you choose your position as the origin. At one instant, the position of the bicycle is negative and its velocity is positive.

What are some of the physical and human made features that map symbols can represent

Which allele combination represents a female who is a carrier for an X-linked recessive disorder?

A tow truck is hired to pull out a 2000 Kg Car from a 10 meter deep ditch straight up and place it on the level ground. If the work is completed by the truck in 5 seconds Calculate horse power of the truck. Round your answer A) 530.0 hp B) 53.

What type of wave vibrates parallel to the direction of travel

When devising a model, scientists can only use the information available during their lifetime. This means that the current model of the atom may be changed when new experiments are performed in the future.