The two days of the year on which neither hemisphere is tilted toward or away from the sun are called

Physics

2 answers:

Dmitry_Shevchenko [17]3 years ago

5 0

The solstice,they are of two types winter and summer

Serggg [28]3 years ago

3 0

Answer:

Solstices

Explanation:

The solstices are the days of the year in which the sun reaches its highest or lowest apparent height in the sky, and the duration of the day or night is the maximum of the year, respectively. The summer solstice of the northern hemisphere occurs between June 20 and 22 and between December 20 and 22 of each year the winter solstice of the northern hemisphere occurs

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A girl throws a tennis ball upward with an initial velocity of 4 m/s. What is the maximum displacement of the ball?

Jobisdone [24]

Answer:

0.82 m

Explanation:

The ball is in free fall - uniform accelerated motion with constant acceleration downward, $a=g=-9.8 m/s^2$ (acceleration of gravity). So we can use the following suvat equation to solve the problem:

$v^2-u^2=2as$

where

v is the final velocity

u = 4 m/s is the initial velocity

a is the acceleration

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At the maximum displacement, v = 0 (the velocity becomes zero). Substituting and solving for s, we find:

$s=-\frac{u^2}{2a}=-\frac{4^2}{2(-9.8)}=0.82 m$

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The ability to do work or cause change is called

ipn [44]

Answer:

Energy

Explanation:

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