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Pani-rosa [81]
3 years ago
15

A ray of light strikes a mirror at an angle of 38 to the normal. what is the reflected angle

Physics
1 answer:
Sveta_85 [38]3 years ago
6 0
The same 38 degree angle just in the opposite direction
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What is the length of the hypotenuse of a right triangle, whose legs have lengths of 12 meters and 35 meters?​
Eduardwww [97]

Answer:

c

Explanation:

6 0
3 years ago
A skier descends a mountain at an angle of 35.0º to the horizontal. If the mountain is 235 m long, what are the horizontal and v
neonofarm [45]
Total displacement along the length of mountain is given as
L = 235 m
angle of mountain with horizontal = 35 degree
now we will have horizontal displacement as
x = L cos35
x = 235 cos35 = 192.5 m
similarly for vertical displacement we can say
y = L sin35
y = 235 sin35 = 134.8 m
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3 years ago
Producers,____________, and_______________ help to move matter and energy through ecosystems.
Phoenix [80]
Producers, consumers, and decomposers help to move matter and energy through ecosystems.

Hope this helps! :)
3 0
3 years ago
Two football players with mass 85 kg and 110 kg run directly toward each other with speeds 4 m/s and 7 m/s respectively. If they
sergejj [24]

Use the conservation of the momentum to answer this question:

m_1\vec v_1+m_2\vec v_2 = m\vec v\implies\\\vec v = \frac{m_1\vec v_1+m_2\vec v_2}{m_1+m_2}\\v = \frac{85kg\cdot 4 m/s+110kg\cdot (-7m/s)}{195kg}=-2.2\frac{m}{s}

The resulting speed of the two bodies will be 2.2 m/s in the (original) direction of the overweight guy (110kg). Their brains not happy about the collision either.

5 0
3 years ago
When a switch is closed to complete a DC series RL circuit which has a large time constant, Group of answer choices the electric
puteri [66]

Answer:

The electric and magnetic fields gradually increase.

Explanation:

Time constant in RL circuits, denoted by τ, is equal to the value of L / R which is the value of the inductor over the resistor. It is used to calculate the point when the current will reach the maximum value in the steady state of the circuit. Because of this behavior of the circuit, the magnetic field and the electric field gradually increase to their maximum values.

I hope this answer helps.

3 0
4 years ago
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