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wel
3 years ago
7

An object that is dropped straight down from a height of 100 m has a vertical change in position that is less than that of an id

entical object thrown horizontally from the same height. true or false?
Physics
1 answer:
sergey [27]3 years ago
5 0
Objects dropped straight or thrown horizontally from the same height
change their vertical velocity at the same rate, and fall through equal
vertical distances in equal time intervals.

The statement is false. 
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God bless you. Because my soul almost left my body when i had to do this.

7 0
3 years ago
WILL GIVE BRAINLIEST!
Ulleksa [173]

Answer:0kgm/s

Explanation:

Momentum before collision=momentum after collision

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25+35=60+momentum (B)

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6 0
3 years ago
n deep space, sphere A of mass 47 kg is located at the origin of an x axis and sphere B of mass 110 kg is located on the axis at
Volgvan

Answer:

a)-1.014x 10^{-7J

b)3.296 x  10^{-7J

Explanation:

For Sphere A:

mass 'Ma'= 47kg

xa= 0

For sphere B:

mass 'Mb'= 110kg

xb=3.4m

a)the gravitational potential energy is given by

U_{i = -GMaMb/ d

U_{i= - 6.67 x 10^{-11} x 47 x 110/ 3.4 => -1.014x 10^{-7J

b) at d= 0.8m (3.4-2.6) and U_{i=-1.014x 10^{-7J

The sum of potential and kinetic energies must be conserved as the energy is conserved.

K_{i + U_{i= K_{f + U_{f

As sphere starts from rest and sphere A is fixed at its place, therefore K_{i is zero

U_{i= K_{f + U_{f

The final potential energy is

U_{f= - GMaMb/d

Solving for 'K_{f '

K_{f = U_{i + GMaMb/d => -1.014x 10^{-7 + 6.67 x 10^{-11} x 47 x 110/ 0.8

K_{f = 3.296 x  10^{-7J

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The measure of the force with which air molecules push on a surface is called
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It is called air pressure
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