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storchak [24]
3 years ago
12

A cannon is on the edge of a cliff 5.2 x 102 m above the ground. A cannon ball leaves the cannon at 1.5 x 102 m/s. If the cannon

aimed at an angle of of 60. degrees above the horizontal (i.e. aimed upward) what is the:
a) Time of flight?

b) The range of the cannon ball?
Physics
1 answer:
marusya05 [52]3 years ago
4 0

Answer: i dont know yet

Explanation:

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pluto

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Me Ayudan con este ejercicio por favor !!!
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The coordinates 40 degrees north and 100 degrees east falls in what country?
garik1379 [7]

We can find for the country by using a map with angle coordinates. Based on the map that I found online, the country which is located at around 40 degrees north and 100 degrees east is no other than:

<span>China</span>

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A boy coasts down a hill on a sled, reaching a level surface at the bottom with a speed of 5.9 m/s. if the coefficient of fricti
bagirrra123 [75]
Frictional force = vertical force x coeff of friction = 590N x 0.045 = 26.55N

Mass of boy and sled = 590N / g = 590N / 9.8m/s^2 = 60.20 kg

Deceleration due to friction = 26.55N / 60.20kg = 0.44 m/s^2.

For constant acceleration we have:

v = u + at, where v is the final velocity, u is the initial velocity, a is the acceleration, and ti is time. In this case v = 0, u = 5.9 m/s, a = -0.44 m/s^2. So we have
0 = 5.9 - 0.44t
which gives t = 5.9 / 0.44 = 13.409 s.

Distance traveled in this time d = ut + 0.5at^2 = 5.9 x 13.409 - 0.5 x 0.44 x 13.409^2 = 39.56 m

<span>Answer: </span>40 meters
8 0
3 years ago
a battery is connected to a resistor. as charge flows, the chemical energy of the battery is dissipated as _________.
balandron [24]

As charge flows, the chemical energy of the battery is dissipated as the time of charge flow increases.

Electric power is defined as the rate at which electric energy is dissipated.

The power of the current flowing through the circuit is calculated as follows;

P = IV

P = I x IR

P = I²R

where;

  • <em>P is the power dissipated</em>
  • <em>I is the current flowing in the circuit</em>
  • <em>R is the resistance of the circuit</em>

The electric energy is given as;

E = Pt

E = I²Rt

Thus, we can conclude that as charge flows, the chemical energy of the battery is dissipated as the time of charge flow increases.

Learn more here:brainly.com/question/21392880

5 0
2 years ago
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