3 years ago

A skydiver has jumped out of a plane and is falling faster and faster. What forces are present in this situation?

Physics

2 answers:

olga2289 [7]3 years ago

8 0

I believe the answer is gravity and air resistence

Rainbow [258]3 years ago

4 0

Its C bc i had the same one and gotta right

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Vaselesa [24]

Answer:

8672

Explanation:

multiply the length value by 100

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3 years ago

What is required for equilibrium to exist

creativ13 [48]

They need to touch each other. Equilibrum, is when two things touch that arent the same heat, once they touch, they are equal in temperature, so they need to touch. hope i helped :D

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3 years ago

A man 2 m tall walks horizontally at a constant rate of 1 m/s toward the base of a tower 23 m tall. When the man is 10 m from th

Evgen [1.6K]

Answer:

$\dfrac{d\theta}{dt}=0.038\ rad/s$

Explanation:

Given that

$\dfrac{dx}{dt}= -1\ m/s$

From the diagram

$tan\theta=\dfrac{21}{x}$

By differentiating with time t

$sec^2\theta \dfrac{d\theta}{dt}=-\dfrac{21}{x^2}\dfrac{dx}{dt}$

When x= 10 m

$tan\theta=\dfrac{21}{10}$

θ = 64.53°

Now by putting the value in equation

$sec^2\theta \dfrac{d\theta}{dt}=-\dfrac{21}{x^2}\dfrac{dx}{dt}$

$sec^264.53^{\circ} \dfrac{d\theta}{dt}=-\dfrac{21}{10^2}\times (-1)$

$\dfrac{d\theta}{dt}=0.038\ rad/s$

Therefore rate of change in the angle is 0.038\ rad/s

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3 years ago

in an effort to reach the store before it closed the motorist increase the speed of his car from 20 m per second to 60 meters pe

Ber [7]

Answer:

Explanation:

Givens

vi = 20 m/s

vf = 60 m/s

t = 4 second.

Formula

a = (vf - vi) / t

a = (60 - 20)/4

a = 40 / 4

a = 10 m/s^2

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Answer:

true can i get brainliest :)

Explanation:

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3 years ago