M Dash Foundation: C Cube Learning

Mindblown: a blog about philosophy.

  • A Question a day, Q4 (series)

    Question: Liliana has a bag of marbles. The bag contains 18 black, 15 red, 11 blue, and 8 white marbles. Liliana randomly takes a red marble from the bag and leaves the marble on a table. What is the probability that she will next take a red or a white marble from the bag?

  • A Question a Day (series) Q3

    The equation v = a*del_t is sometimes used to find velocity when acceleration and time are known. Another form of this equation is v = v_0 + a*del_t. In this second form of the equation, the function of the term v_0 is to: A. indicate that the equation is valid only for an object that…

  • A Question a Day (series) Q2

    1. A ball is thrown with an initial velocity of 20 m/s at an angle of 30° above the horizontal. What is the instantaneous vertical velocity of the ball when it is 5.1 m above the release point? (g = 9.8 m/s^2) A. 0.2 m/s B. 6.6 m/s C. 10 m/s D. 17 m/s

  • A question a day !! (series) Q1

    1. Which of the following best describes the most widely accepted theory of the solar system’s evolution? A. A small star grew as it consumed comets, eventually becoming large enough to ignite fusion reactions and attract planetary bodies.

  • Why Sun is circular but star twinkles?

    See on Scoop.it – Science Communication from mdashf The frequency of light is small because the energy or intensity is low. So you see twinkles. But light is still moving at the same speed towards us. It takes 4.5 years from some stars while taking … See on mdashf.org

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