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nikklg [1K]
3 years ago
14

a force of 50 newtons pulls a rope attached to a 150 newton sled across a horizontal surface at a constant velocity of 5 meters

per second. The rope is at an angle of 35 degrees above the horizontal. calculate the magnitude of the frictional force acting on the sled? Show all work, including the equation and substitution with units.
Physics
1 answer:
lakkis [162]3 years ago
3 0

Answer:

I don't know the answer I hope you find it tho good luck##

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A charged particle decelerates as it moves from location a to location b. if va = 160 v and vb = 100 v, what is the sign of the
skelet666 [1.2K]

The sign of the charged particle is positively charged.

<h3>What is potential difference?</h3>
  • When a single charge is transported in an electric field, work is done by the potential difference (also known as electrical potential).
  • There is potential energy stored in this charge that could flow when work is done on it.
  • Voltage is the possibility of a single charge flowing. The need to flow increases with voltage.
  • Here, voltage can be the potential differences.

The potential difference between the 2 points determines the movement of that particle. An electron moves from lower to higher potential which is negatively charged, and a positively charged particle moves  from higher to lower potential.

Now, since the particle is moving from a point A having 160 v potential to point B having 100 v potential that is it is moving from higher potential to a lower potential therefore the particle will be a positively charged one.

Learn more about potential difference,

brainly.com/question/23716417

#SPJ1

3 0
1 year ago
What is the symbol for angle?
zlopas [31]

Answer:

angle is denoted by /_ , see in explanation

4 0
4 years ago
A 1325 kg car and a 2050 kg pickup truck approach a curve on a highway that has a radius of 255 m. At what angle should the high
Scorpion4ik [409]

Answer:

the banking angle of the road is 24.2⁰

Explanation:

Given;

speed of the vehicles considered, v = 75 mi/h

Speed in m/s ⇒ 1 mi/h --------> 0.44704 m/s

                         75 mi/h --------> ?

=   75 x 0.44704 m/s = 33.528 m/s

radius of the curve, r = 255 m

The banking angle of the road is calculated as;

\theta = tan^{-1} (\frac{v^2}{rg} )\\\\\theta = tan^{-1} (\frac{33.528^2}{255\times 9.8} )\\\\\theta  = tan^{-1}(0.44983)\\\\\theta  =24.2^0

Therefore, the banking angle of the road is 24.2⁰

8 0
3 years ago
Air is forced from the bottom of a rocket and it lifts off. This
TEA [102]

Answer:

balanced force should be correct answer

5 0
4 years ago
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What are the two opposite sides of a magnet called?
dexar [7]
The 2 sides of magnet are called the north and south pole

8 0
4 years ago
Read 2 more answers
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