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den301095 [7]
3 years ago
13

Need help ASAP please and thank you

Physics
2 answers:
Otrada [13]3 years ago
6 0

Answer:

253

Explanation:

He stands at 50 so you keep counting by 50 until you get it to add three.

Serggg [28]3 years ago
3 0
It’s going up by 10 so multiple of 10
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Answer:

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3 years ago
How many Joules of potential
s2008m [1.1K]

Answer:

40 j, 80j.

Explanation:

P.E= mgh. G=10 m/s².

For 4m, P.E=1*10*4=40 joules.

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4 0
4 years ago
34)You find it takes 200 N of horizontal force tomove an unloaded pickup truck along a level road at a speed of2.4 m/s. You then
velikii [3]

Answer:

F_H_n=230.04 N

The Required  horizontal force is 230.04N

Explanation:

Since the velocity is constant so acceleration is zero; a=0

Now the horizontal force required to move the pickup is equal to the frictional force.

F_H_n=F_f\\F_h=mg*u

where:

F_{Hn} is the required Force

u is the friction coefficient

m is the mass

g is gravitational acceleration=9.8m/s^2

200=mg*u                         Eq (1)

Now, weight increases by 42% and friction coefficient decreases by 19%

New weight=(1.42*m*g) and new friction coefficient=0.81u

F_H=(1.42m*g*.81u)          Eq (2)

Divide Eq(2) and Eq (1)

\frac{F_H_n}{200}=\frac{1.42m*g*0.81u}{m*g*u}\\F_H_n=1.42*0.81*200\\F_H_n=230.04 N

The Required  horizontal force is 230.04N

4 0
4 years ago
What the motion of an object that has an acceleration of 0 m/s
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<span>Everything in the system is stable and therefore the objects motion is stable. That is to say it is not changing what it is already doing. As far as i know zero times zero is still zero. In that case then the motion must be constant or stable.</span>
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What are three physical properties of aluminum foil
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Hope this helps you
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3 years ago
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