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Dmitry [639]
3 years ago
10

Which name is given to the type of friction that objects falling through air experience?

Physics
2 answers:
Pani-rosa [81]3 years ago
4 0

Some call it "air resistance", and others just call it "drag".

Law Incorporation [45]3 years ago
4 0

Answer and Explanation: Objects falling through air experience a type of friction called air resistance or drag.

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Calculate the G.P.E. in joules of a 675-newton climber at the top of a 3,050-meter mountain in Colorado.
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Answer:2673

Explanation:

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2 years ago
. A spring has a length of 0.200 m when a 0.300-kg mass hangs from it, and a length of 0.750 m when a 1.95-kg mass hangs from it
kap26 [50]

Answer:

29.4 N/m

0.1  

Explanation:

a) From the restoring Force we know that :  

F_r = —k*x  

the gravitational force :  

F_g=mg  

Where:

F_r is the restoring force .

F_g is the gravitational force

g is the acceleration of gravity

k is the constant force  

xi , x2 are the displacement made by the two masses.

Givens:

<em>m1 = 1.29 kg</em>

<em>m2 = 0.3 kg  </em>

<em>x1   = -0.75 m  </em>

<em>x2 = -0.2 m </em>

<em>g   = 9.8 m/s^2  </em>

Plugging known information to get :

F_r =F_g

-k*x1 + k*x2=m1*g-m2*g

k=29.4 N/m

b) To get the unloaded length 1:  

l=x1-(F_1/k)

Givens:

m1 = 1.95kg , x1 = —0.75m  

Plugging known infromation to get :

l= x1 — (F_1/k)  

= 0.1  

 

3 0
3 years ago
After a long day you go home in your friend's really fancy sports car which has a sun-roof on the top and a spoiler (a little wi
mixas84 [53]

Answer:

B: air pressure inside the car drops suddenly

Explanation:

Air in the car drops suddenly because the roof region has lowered pressure than the atmospheric pressure usually varying with the speed of the car

7 0
2 years ago
Does the eruption in the video constitute a pyroclastic flow
densk [106]

If it is the video I am thinking of then Yes


7 0
3 years ago
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