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Sav [38]
3 years ago
11

Which hand is negatively charged? A B C D

Physics
2 answers:
vichka [17]3 years ago
6 0

Answer:

the one that has more negative sights so the first hand on your right :)

VLD [36.1K]3 years ago
4 0

Answer:

b

Explanation:

You might be interested in
How is air temperature related to high and low pressure air
vitfil [10]

Answer: So, I looked at it to see what was the correct one, and the correct answer is Cool air near surface forms high-pressure areas, warm air forms low pressure areas. I hope this helps :D :)

Explanation:

3 0
3 years ago
The coefficent of static friction between the floor of a truck and a box resting on it is 0.38. The truck is traveling at 87.9 k
nekit [7.7K]

Answer:

d=79.9m

Explanation:

From the question we are told that:

coefficient of static friction \mu=0.38

Velocity v=87.9=>24.41667m/s

Generally the equation for Conservation of energy is mathematically given by

 \mu*mgd = 0.5 m v^2

 d=\frac{0.5*24.42^2}{0.38*9.8}

 d=79.9m

3 0
3 years ago
A bullet glider and a target glider both have a mass of 0.200 kg. The bullet glider is moving 0.450 m/s
Romashka [77]

Answer:

the two gliders collide, the mobile glider will transfer a bit of time to the fixed glider, which is why it comes out with a speed that is smaller than that of the bullet glider.

Explanation:

When the two gliders collide, the mobile glider will transfer a bit of time to the fixed glider, which is why it comes out with a speed that is smaller than that of the bullet glider.

Changes can occur that the gliders unite and move with a cosecant speed less than the initial one.

The whole process must be analyzed using conservation of the moment.

             p₀ = m v₀

celestines que clash case

             p_f = (m + M) v

             po = pf

             m v₀ = (n + M) v

             v = \frac{m}{m+M}

calculemos

            v= \frac{0.200}{0.200+M} 0.450

            v= 0.09 m/s

elastic shock case

           p₀ = m v₀

           p_f = m v₁ +M v₂

           p₀ = p_f

           m v₀ = m v₁ + m v₂

6 0
3 years ago
If there is a net force on an object in the direction it is already moving, what has to happen to the speed of the object?
baherus [9]
Net force is an unbalanced force, so the object will change speed or direction.
Either the object may speed up or slow down.
8 0
4 years ago
A conveyor belt is used to send burgers through a grill- ing machine. If the grilling machine is 1.2m long and the burgers requi
puteri [66]

Answer:

Rate = 1.71 burger/min

Explanation:

Length of the conveyor belt is given as

L = 1.2 m

time taken to cook one burger is given as

t = 2.8 min = 168 s

now we can find the speed of the belt as

v = \frac{distance}{speed}

v = \frac{1.2}{168}

v = 7.14 \times 10^{-3} m/s

Now we know that the distance between two burgers is given as 25 cm

d = 0.25 m/burger

now the production rate of burgers is given as

Rate = \frac{v}{d}

Rate = \frac{7.14 \times 10^{-3} m/s}{0.25 m/burger}

Rate = 0.0286\frac{burger}{sec}

Rate = 0.0286\times 60\frac{burger}{min}

Rate = 1.71 burger/min

8 0
3 years ago
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