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3 years ago

Please help fast!

Physics

1 answer:

REY [17]3 years ago

7 0

Answer:

In physics, resistive force is a force whose direction is opposite to the velocity of the body, or of the sum of the other forces, and may refer to friction and drag. The average resistance force is the change in momentum divided by the time required to stop the bullet. The distance covered under constant acceleration is 1/2 a* t^2.

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If an object falls from rest and lands 3.2 seconds later, how many meters did it fall

DIA [1.3K]

Answer:

50.2 meters

Explanation:

When an object falls, it goes a distance d in time t according to the formula:

$d=\frac{1}{2}*g*t^{2}$

d is the distance in meter, g is the acceleration due to gravity with the value of 9.8 $m/s^{2}$ , t is the time in seconds

Therefore, $d = \frac{1}{2}*9.8*(3.2)^{2}$

d= 50.176 ≈ 50.2m

6 0

3 years ago

100 POINTS!!!!!!!!!!!!!! Hello people! So I really need help on this essay. It's due tomorrow but I have two more due tomorrow.

Whitepunk [10]

Answer:

Solar energy; It benefits life because it does not produce greenhouse chemicals that are dangerous to the evironment, it uses the hot light of the plasma from the sun to pass through the solar panels, form there it can be stored and used in batteries already built in, it also provides lots of money savings troughout the seasons, and it can save 155 dollars a year.

Explanation:

6 0

4 years ago

Read 2 more answers

What properties of sound determine the volume of sound? Is this affected by the motion of the sound source?

TEA [102]

The property of sound that determine its volume is its AMPLITUDE. The amplitude and the volume of the sound are directly varied. Which means that the larger the amplitude, the larger is the volume and the softer it is if the amplitude is smaller. It is not affected by the motion of the sound source so long as the barriers are not breached.

8 0

3 years ago

) Calculate current passing in an electrical circuit if you know that the voltage is 8 volts and the resistance is 10 ohms

Svetach [21]

Explanation:

Hey, there!

Here, In question given that, 

potential difference (V)= 8V

resistance (R)= 10 ohm

Now,

According to the Ohm's law,

V= R×I { where I = current}

or, I = V/R

or, I = 8/10

Therefore, current is 4/5 A or 0.8 A.

(A= ampere = unit of current).

Hope it helps... 

6 0

4 years ago

Brad has experienced a relatively severe left hemisphere stroke. As a result, he is unable to move his right arm and has a great

MArishka [77]

Answer:

Frontal

Explanation:

Brad has experienced a relatively severe left hemisphere stroke. As a result, he is unable to move his right arm and has a great deal of difficulty with planning and attention. The stroke most likely caused damage to the _Frontal_______ lobes.

Frontal lobes are our emotional control center. Frontal lobes are responsible for our memory, relationships, language, irritation, judgement and social and sexual behavior.

4 0

3 years ago