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4 years ago

If gravity did not affect the path of a horizontally thrown ball the ball would ____

1 answer:

5 0

If gravity did not affect the path of a horizontally thrown ball the ball would eventually slow due to air resistance. If the ball were somehow thrown in a vacuum devoid of gravity and air, it would technically continue in a straight line forever.

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Give a example of frequency which an elephant can hear and a tiger cannot hear include a unit in ansawer

lisov135 [29]

P1.5.3 thats what i got........... hope its right not sure though

4 0

3 years ago

3. Nearsighted people can undergo a medical procedure called keratotomy to produce normal (or at least more-normal) vision. In t

Mademuasel [1]

Answer:

P= -1.83D

Explanation:

Given,

u=-6 m

v=-50 cm = - 0.5 m

the power of the lens

P = 1/f = 1/v = 1/u

P = 1/ -0.50 + 1/6

P = -1.83D

7 0

3 years ago

What happens to the position of an object as an unbalanced force acts on it? Give an example.

Evgesh-ka [11]

Hi! I'm a few days late since I just saw this question just now, but I'll answer anyway.

Answer:

When an unbalanced force acts on a moving object, the velocity of the object will change. Change in velocity means a change in speed, direction, or both. For example, if you kick a soccer ball and it moves from one place to another, it means that unbalanced forces are acting upon it. The ball moves from one place to another after kicking it so the position changed.

8 0

3 years ago

A helium balloon is filled to a volume of 2.88 x 103 L at 722 mm Hg and 19Â°C. When the balloon is released, it rises to an alti

inn [45]

Answer:

V₂=4.57 x 10³ L

Explanation:

Given that

V₁= 2.88 x 10³ L

P₁=722 mm Hg

T₁ = 19°C

T₁ =292 K

P₂=339 mm Hg

T₂= - 55°C

T₂=218 K

Lets take final volume = V₂

We know that ideal gas equation

PV = m R T

By applying mass conservation

$\dfrac{P_1V_1}{RT_1}=\dfrac{P_2V_2}{RT_2}$

$\dfrac{722\times 2.88\times 10^3}{292}=\dfrac{339\times V_2}{218}$

V₂=4.57 x 10³ L

Therefore volume will be 4.57 x 10³ L

3 0

3 years ago

Which type of seismic wave does not travel through liquid?

notka56 [123]

C) S waves. s waves cannot travel through liquids

8 0

3 years ago