Ordinary matter contains only the following quarks.

A. Strange
B. Bottom
C. Down
D. Charm


C. Down

Physics & Space Science

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Most plug-ins needed to run media cost money.

Answer the following statement true (T) or false (F)

Physics & Space Science

Astronomical objects are viewed against the background of the ________

Fill in the blank(s) with correct word

Physics & Space Science

What would happen if you had a car made completely of plastic, with no metal parts, and you drove over a vehicle sensor embedded in the road surface?

A. The circuit would detect the absence of magnetic flux, thereby working normally B. The sensor would signal with the opposite polarity, indicating you've already gone through the intersection C. The sensor would not notice you or your vehicle, and you'd be stuck at the red light D. You would overload the sensor, so this is an excellent method for forcing all lights to turn green

Physics & Space Science

Projectile Motion: A player kicks a soccer ball in a high arc toward the opponent's goal. At the highest point in its trajectory

A. both the velocity and the acceleration of the soccer ball are zero. B. neither the ball's velocity nor its acceleration are zero. C. the ball's acceleration is zero but its velocity is not zero. D. the ball's acceleration points upward. E. the ball's velocity points downward.

Physics & Space Science