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navik [9.2K]
3 years ago
12

A _____ is a device that multiplies force or increases speed and makes work easier.

Physics
2 answers:
Lena [83]3 years ago
5 0
Machine................
max2010maxim [7]3 years ago
4 0
Machine is the answer :)
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A train moves at constant velocity of 50km/h. how far will it move in 0.5h?
Kobotan [32]
The formula for getting the distance will be distance = speed x time
                                                                               D = S x T
   speed or velocity = 50km/h
                       time = 0.5 h
    the equation will be done directly because it's already in it's SI units
            distance = 50km/h  x  0.5h
            hour cancels hour and the equation remains = 50km x 0.5
                               Ans = 25 km
the train will move 25 km far in 0.5h
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3 years ago
What is work? How much work is done to move an object 0 meters?
yKpoI14uk [10]
Work is equal to distance times time so no work
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1. Although the sun is shining, it is a little chilly today at the beach. You look at your portable thermometer, which says it's
Ganezh [65]

Answer:

(10°C × 9/5) + 32 = 50°F

10°C + 273.15 = 283.15K

Explanation:

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3 years ago
Two people person A and person B lift the same amount of weight but person A lifts it in a shorter amount of time who has more p
const2013 [10]
Person A has more muscular strength then person B.  B has muscular endurance.
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3 years ago
A pendulum at position A is released and swings through position B to position Con the other side.
zaharov [31]

Explanation:

Given the conditions A,B and C when the pendulum is released, at point A the initial velocity of the pendulum is zero(0), the potential energy stored is maximum(P.E= max),

the conditions can be summarized bellow

point A

initial velocity= 0

final velocity=0

P.E= Max

K.E= 0

point B

initial velocity= maximum

final velocity=maximum

P.E=K.E

point C

initial velocity= min

final velocity=min

P.E= 0

K.E= max

3 0
3 years ago
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