The top of the WINDOW is 19 meters from the ground. also steel balls dont bounce.
28.65m x 15.24m
Explanation:
The size of a basketball court in the NBA is usually 28.65m x 15.24m giving a total court area of 436.62m².
The NBA is the acronym for National Basketball Association. It comprises of several teams from across United states and Canada in basketball league.
- The game is played by hand with a target basket.
- For each successive throw into the basket, 1 or 2 or 3 points can be awarded.
- In feets the dimensions are 94 by 50 feet
- From the dimension we can accurately say that a basketball court is rectangular in shape.
- James Naismith is credited with the invention of the game of basketball
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k = spring constant of the spring = 100 N/m
m = mass hanging from the spring = 0.71 kg
T = Time period of the spring's motion = ?
Time period of the oscillations of the mass hanging is given as
T = (2π) √(m/k)
inserting the values in the above equation
T = (2 x 3.14) √(0.71 kg/100 N/m)
T = (6.28) √(0.0071 sec²)
T = (6.28) (0.084) sec
T = 0.53 sec
hence the correct choice is D) 0.53
Explanation:
Only few supernova are observed in our galaxy -
Type II supernovae ( i.e. the explosions of the massive stars ) occurred in the Milky Way, and they might be hidden by the intervening dust if they are located in the more distant parts of our Galaxy .
Type Ia supernovae , which need a white dwarf star in the binary star system , are brighter than the type II supernovae , but some of them could also happen in the older parts of Galaxy which are hidden due to the buildup of the dust and gas .
