The hummingbird shown here must beat its wings repeatedly to hover over flowers and drink nectar. What force does the beating of the hummingbird's wings overcome?

Besides the force due to gravity or g, what else determines the period of a pendulum?

if a bird at a constant speed going north and then turns west keeping the same speed does the momentum change

Suchita sees this symbol shown in a circuit diagram. What is the purpose of the component represented by the symbol? to measure current to measure voltage to provide electrical energy to use electrical energy

What is a difference between physical traits and personality traits? A. Physical traits are mainly determined by a person's environment; personality traits are determined by both a person's genes and environment. B.

A roller coaster has a mass of 650 kg. It sits at the top of a hill with height 78 m. If it drops from this hill, how fast is it going when it reaches the bottom? (Assume there is no air resistance or friction.)

Projectile motion is a combination of which two types of motion? parabolic and curved straight and diagonal horizontal and vertical constant and linear

If a mass of a material is 100 grams and the volume of the material is 15 cm3, what would the density of the material be?

After three half-lives of an isotope, 1 billion (one-eighth) of the original isotope's atoms still remain in a certain amount of this element. How many atoms of the daughter product would you expect to be present?

A group of two or more stars is called a A. solar system B. neutron star C. protostar D. star system

Which of the following is an example of potential energy? View Available Hint (s) Which of the following is an example of potential energy?