Which of the following is a physical quantity that has a magnitude but no direction?

a. vector

b. scalar

c. resulant

d. frame of referance

Why is creativity important in constructing scientific questions? A. Science only works when everyone does exactly the same thing. B. Creativity is the only way to make a controlled experiment. C.

The Hertzsprung-Russel diagram is used to show the relationship between which two characteristics of stars?

An aircraft is at a standstill. It accelerates to 140kts in 28 seconds. The aircraft weighs 28,000 lbs. How many feet of runway was used?

An airplane travels 4000 in 16 seconds on a heading of 35 degrees. what is its velocity,

Someone is riding their bike across the beach, they are peddling forward with a force of 100 newtons and they are moving at a constant speed of 3 meters per second, what is the strength and direction of the force exerted by the friction from the

An object moves with velocity v (t) = t^2-8t+7 a) write a polynomial expression for the position of the particle at any time t greater or equal to zero.

Is a lack of thorns a mutation? (on a plant)

Why is the motion of an athlete moving along the circular path with Constant speed considered to be an accelerated motion?

What is a characteristic of atoms

A doctor uses an instrument (s) that emits light and allows the doctor to view the inside of a patient's intestine. What is the doctor most likely using? - a telescope, a microscope, laser beams, or fiber optics