____________________ are groups of 100,000 to 1,000,000 population II stars firmly bound by gravity
Fill in the blank(s) with correct word
Globular clusters
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As the ball is going upwards, the velocity points __________ and the acceleration points __________
Fill in the blank(s) with correct word
Radioactivity Basics: When a ?- particle is emitted from an unstable nucleus, the atomic number of the nucleus
A. increases by 1. B. decreases by 1. C. increases by 2. D. decreases by 2. E. does not change.
The Sun is a ball of gas that is on fire
Indicate whether the statement is true or false
A solid uniform ball with a mass of 125 g is rolling without slipping along the horizontal surface of a table with a speed of 4.5 m/s when it rolls off the edge and falls towards the floor, 1.1 m below
What is the rotational kinetic energy of the ball just before it hits the floor? A) 0.51 J B) 0.73 J C) 1.1 J D) 2.6 J E) This question cannot be answered without knowing the radius of the ball.