a 50.0kg skydiver experience a 740newton air resistance force determine her acceleration please help asap​

Answer:

a = - 5 [m/s²].

Explanation:

To solve this problem we must use Newton's second law, which tells us that the sum of forces on a body is equal to the product of mass by acceleration.

∑F = m*a

where:

F = resultant force [N] (units of Newtons)

m = mass = 50 [kg]

a = acceleration = 9.81 [m/s²]

For this particular problem, the only forces acting are the force of gravity acting down with negative sign, while the force of air opposes the fall, in this way it is positive.

[tex]f_{air}-F_{grav}=-m*a[/tex]

As the movement is pointing down the acceleration will be taken as negative.

[tex]740-(50*9.81)=-50*a\\740-490.5 = -50*a\\249.5 = -50*a\\a = - 5 [m/s^{2} ][/tex]

We should note that in this case, the acceleration has a negative sign, this means that the force of the air makes the skydiver move upwards

This image shows flashlight beams reflecting off a mirror from
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reflected light beams,



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A) When a light ray strikes a mirror, it randomly scattered.

B) light is absorbed by mirrors and reflected directly upwards.

C) light travels in a straight line until lit strikes an object

D) light is reflected back to its source when it strikes an object

Name the following ionic compounds: BeCl2​

What two things does force depend on​

Help me pretty please with a cherry on top!!

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Group of answer choices

The ground pushes back more strongly than your feet

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There is no effect on the ground

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There are three types of friction. ______________ friction occurs when an object is not moving. ______________ friction occurs when an object is moving against another surface. ______________ friction occurs in the case of wheels or other round objects. The amount of friction depends on two things.First, how ______________ the surfaces are; and second, how ______________ the object is. It is ______________ to keep an object moving than to start it moving. This is because static friction is ______________ than sliding friction.

Word Bank:

static
sliding
rolling
bumpy
heavy
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c. the length of the rope

d. how big the wheel is

e. only a and be

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A 35kg cannonball sits at rest on a flat level surface. What is the normal force exerted on the cannon ball. Use -9.8 m/s2 for acceleration due to gravity.

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B. 44.8N

C. 25.2N

D. 343N

1. State any ten reasons why students in Uganda need to study Physics? Use
examples of the possible technological advancements which can be made
using the knowledge of Physics.

Please Guys help me ​. I will mark the brainliest if you give the correct answers. please ❤❤❤

Any one their to help


A popular ride at an amusment park lifts
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before slowing them to a stop. How fast
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mark?

These the flow of electrons (the current) and where some of the electrons' energy gets converted into heat. (Lessons 5.01-5.03) electric currents Insulators Resistors Conductors​

How does the electric force between two charged particles change if the
distance between them is reduced by a factor of 2?
A. It is reduced by a factor of 2.
B. It is increased by a factor of 4.
C. It is increased by a factor of 2.
D. It is reduced by a factor of 4.