Keiko is riding a skateboard 2 m/s, west. How long will it take her to reach a velocity of 8 m/s, west if her acceleration is 2 m/s2

Give a brief description of the asteroid belt.

Which of the following statements is an accurate description of vibrations? A. The frequency of infrasonic vibrations is much too high to be heard by humans. B. Neither ultrasonic nor infrasonic vibrations can be heard by humans. C.

A hockey player hits a puck along the ice, giving it an initial speed of 3.3 meters per second. If there is no friction between the puck and the ice, what will the puck's speed be after 1.6 seconds? A. 3.3 meters per second B. 5.

For a home sound system, two small speakers are located 52 cm closer to the listener than the other. for what value of the fundamental frequency of audible sound will these speakers produce constructive interference at the listener?

Which is not part of John Dalton's atomic theory? All elements are composed of atoms. Atoms of different elements have different masses. Atoms are made up of smaller particles. All atoms of the same element have the same mass.

Which of the following jobs does not require good swimming ability

An object has an emissivity of 0.725. At temperature T, it radicates heat at a rate of 10 W. What is its rate of heat radiation at temperature 2 T

Which of the following is an instance of persuasive speaking? a. a coach reviewing the offensive plays for next week's game b. a lawyer explaining the details of a plea bargaining agreement to her client. c.

What is needed to support life

What property indicates a star's temperature? A size B color C composition D brightness i forgot lol