Your friend comments that the bright star must give off much more light than the dimmer star. Is he necessarily right?

Nobody is at perfect rest. Explain

How are Piaget and Erikson's theories different? A) Both study different aspects of human development. B) Each has a different number of stages in his theories. C) Each has different ideas on how people progress through stages. D) all of the above

It is observed that the number of asteroids (or meteoroids) of a given diameter is roughly inversely proportional to the square of the diameter.

How much work, in Joules. is done when a pressure of 95.000 Pa changes a volume from 15 ma to 43 m2? The answer is in kilojoules

During which phase change does the arrangement of water molecules become more orderly? Select one: a. Melting b. Boiling c. Condensing d. Freezing

Most arson fires are produced through what? Accelerants Dynamite Chemical residues Steroids

A block with mass m1 = 9.4 kg is on an incline with an angle θ = 25° with respect to the horizontal. For the first question there is no friction, but for the rest of this problem the coefficients of friction are: μk = 0.22 and μs = 0.242.

When an electric current flows through a wire a magnetic field is created. To increase the power of the magnetic field you would A.

When Holly injures her shoulder playing baseball, she uses an instant ice pack to reduce the swelling. She breaks the inner, activator portion of the instant cold pack releasing the solid urea into the surrounding water.

Zach is making a round trip going from home to work. To get to her work she goes 30 m/s and then to get back home she goes 50 m/s. What is the velocityof Zach for the entire round trip? a. 0 m/s b.-20 m/s c. 80 m/s