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Mila [183]
3 years ago
12

Is walking just a constant state of falling?

Physics
1 answer:
atroni [7]3 years ago
8 0

Answer:

Yes. Walking is controlled falling because you need to let go in order to move forward. If you never let your foot fall, your movements would be stilted and robotic. And according to medical engineers," When we walk normally we are constantly correcting tiny falls to keep ourselves stable."

Explanation:

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Convert -90.0°F to -5.0°c to kelvin
Ratling [72]

-90.0 °F  =  -67 and 7/9 °C

-90.0 °F also = +205.372 K

-5.0 °C  =  +23 °F

-5.0 °C also  =  +268.15 K

4 0
3 years ago
A 920-kg sports car collides into the rear end of a 2300-kg SUV stopped at a red light. The bumpers lock, the brakes are locked,
GrogVix [38]

Answer:21.45 m/s

Explanation:

Given

Mass of sport car=920 kg

Mass of SUV=2300 kg

distance to which both car skid is 2.4 m

coefficient of friction (\mu)=0.8

Let u be the initial velocity of both car at the starting of skidding

and they finally come to zero velocity

v^2-u^2=2as

acceleration=\mu g=0.8\times 9.8=7.84 m/s^2

s=2.4 m

0-(u)^2=2\times (-7.84)\times 2.4

u=6.13 m/s

so before colliding sport car must be travelling at a speed of

920\times v=(920+2300)\times 6.13  (conserving momentum)

v=21.45 m/s

7 0
3 years ago
A man weighing 180 lbf pushes a block weighing 100 lbf along a horizontal plane. the dynamic coefficient of friction between the
Talja [164]
The first thing you should know is that the work is defined as:
 W = F * d
 Where
 F = force
 d = displacement
 We have then
 (a) the block
 F = (0.2) * (100) = 20
 d = 100
 W = (20) * (100) = 2000 ft.lbf
 (b) the man as the system.
 F = (0.2) * (100 + 180) = 56
 d = 100
 W = (56) * (100) = 5600 ft.lbf
 answer:
 (a) 2000 ft.lbf
 (b) 5600 ft.lbf
3 0
3 years ago
A 700 g can of beans is dropped from a shelf that is 1.5 m high. What is the gravitational potential energy of this can? Round y
OLga [1]
<span>To find the gravitational potential energy of an object, we can use this equation: GPE = mgh m is the mass of the object in kg g = 9.80 m/s^2 h is the height of the object in meters GPE = mgh GPE = (0.700 kg) (9.80 m/s^2) (1.5 m) GPE = 10.3 J The gravitational potential energy of this can is 10.3 J</span>
4 0
3 years ago
Read 2 more answers
Decision making worksheet answer key
mario62 [17]

Answer:

  1. <em><u>do </u></em><em><u>your</u></em><em><u> mom</u></em><em><u> hard</u></em><em><u> to</u></em><em><u> get</u></em><em><u> out</u></em><em><u> of</u></em><em><u> the</u></em><em><u> house</u></em><em><u> </u></em><em><u> you</u></em><em><u> doing</u></em><em><u> today</u></em><em><u> no</u></em><em><u> classes</u></em><em><u> are</u></em><em><u> you</u></em><em><u> doing</u></em><em><u> today</u></em><em><u> no</u></em><em><u> classes</u></em><em><u> are</u></em><em><u> you</u></em><em><u> doing</u></em><em><u> today</u></em><em><u> no</u></em><em><u> classes</u></em><em><u> are</u></em><em><u> not</u></em><em><u> sleeping</u></em><em><u> in</u></em><em><u> my</u></em><em><u> bed</u></em><em><u> you</u></em><em><u> have</u></em><em><u> any</u></em><em><u> best</u></em><em><u> to</u></em><em><u> get</u></em><em><u> the</u></em><em><u> meaning</u></em><em><u> do</u></em><em><u> you</u></em><em><u> want</u></em><em><u> for</u></em><em><u> it</u></em><em><u> is</u></em><em><u> my</u></em><em><u> friend</u></em><em><u> I</u></em><em><u> will</u></em><em><u> be</u></em><em><u> there</u></em><em><u> at</u></em><em><u> 12</u></em><em><u> I</u></em><em><u> have</u></em><em><u> send</u></em><em><u> me</u></em><em><u> a</u></em><em><u> </u></em><em><u>even</u></em><em><u> if</u></em><em><u> </u></em><em><u>we</u></em><em><u> </u></em><em><u>don't</u></em><em><u> ask</u></em><em><u> </u></em><em><u>everyone</u></em><em><u> </u></em><em><u>e</u></em><em><u> for</u></em><em><u> it</u></em><em><u> was</u></em><em><u> a</u></em><em><u> screenshot</u></em><em><u> I</u></em><em><u> am</u></em><em><u> </u></em><em><u>excited</u></em><em><u> </u></em><em><u>everything</u></em><em><u> </u></em><em><u>except</u></em><em><u> you</u></em><em><u> </u></em><em><u>eat</u></em><em><u> your</u></em><em><u> </u></em><em><u>eyes</u></em><em><u> </u></em><em><u>everything</u></em><em><u> </u></em><em><u>except</u></em><em><u> </u></em><em><u>everything</u></em><em><u> else</u></em><em><u> </u></em><em><u>ever</u></em><em><u> </u></em><em><u>even</u></em><em><u> </u></em><em><u>know</u></em><em><u> if</u></em><em><u> </u></em><em><u>everyone</u></em><em><u> e</u></em><em><u> </u></em><em><u>and</u></em><em><u> 10</u></em><em><u> </u></em><em><u>even</u></em><em><u> </u></em><em><u>though</u></em><em><u> it</u></em><em><u> </u></em><em><u>was</u></em><em><u> </u></em><em><u>kiss</u></em><em><u> emoji</u></em><em><u> </u></em><em><u>everything</u></em><em><u> </u></em><em><u>else</u></em><em><u> </u></em><em><u>ever</u></em><em><u> </u></em><em><u>eyebrows</u></em><em><u> </u></em><em><u>yet</u></em><em><u> I</u></em><em><u> </u></em><em><u>eat</u></em><em><u> </u></em><em><u>early</u></em><em><u> </u></em><em><u>to</u></em><em><u> get</u></em><em><u> </u></em><em><u>enough</u></em><em><u> </u></em><em><u>everything</u></em><em><u> </u></em><em><u>except</u></em><em><u> </u></em><em><u>everything</u></em><em><u> is</u></em><em><u> your</u></em><em><u> class</u></em><em><u> finish</u></em><em><u> up</u></em><em><u> </u></em><em><u>early</u></em><em><u> </u></em><em><u>enough</u></em><em><u> </u></em><em><u>even</u></em><em><u> know</u></em><em><u> what</u></em><em><u> is</u></em><em><u> going</u></em><em><u> on</u></em><em><u> with</u></em><em><u> out</u></em><em><u> hajab</u></em><em><u> I</u></em><em><u> have</u></em><em><u> send</u></em><em><u> it</u></em><em><u> out</u></em><em><u> to</u></em><em><u> </u></em><em><u>edit</u></em><em><u> a</u></em><em><u> video</u></em><em><u> on</u></em><em><u> </u></em><em><u>e</u></em><em><u> a</u></em><em><u> video</u></em><em><u> on</u></em><em><u> </u></em><em><u>each</u></em><em><u> </u></em><em><u>e</u></em>

Explanation:

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