Quarks are held together by the color force.Electrons are made of quarks
Indicate whether the statement is true or false
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If a planet orbits the Sun at a distance of 4 AU, then its orbital period is 8 years
a. True b. False Indicate whether the statement is true or false
A convex spherical mirror with a radius of 50 cm has a 4.0 cm tall object placed 100 cm in front of it. What is the position of the image relative to the mirror?
A) 25 cm behind the mirror B) 20 cm behind the mirror C) 25 cm in front of the mirror D) 100 cm in front of the mirror E) 20 cm in front of the mirror
Consider a step-up transformer (the output voltage is greater than the input voltage). What happens to the current in the output side compared to the input side?
What will be an ideal response?
From the edge of a roof top you toss a green ball upwards with initial velocity v0 and a blue ball downwards with the same initial velocity. When they reach the ground below,
A) the green ball will be moving faster than the blue ball. B) the blue ball will be moving faster than the green ball. C) the two balls will have the same speed.