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motikmotik
2 years ago
9

Assume that Michael's teacher has a rule that if a student talks out-of-turn three times in one day, that student must stay in f

or recess for the
rest of the week. Which of the following methods is she using to control student behavior?

a. folkway
b. sociobiology
c. informal sanction
d. formal sanction
Physics
1 answer:
olga_2 [115]2 years ago
4 0
D sorry if I get y’all wrong
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A ball is thrown so that its initial vertical and horizontal components of velocity are 30 m/s and 15 m/s, respectively. Estimat
mihalych1998 [28]

Answer:

H = 45 m

Explanation:

First we find the launch velocity of the ball by using the following formula:

v₀ = √(v₀ₓ² + v₀y²)

where,

v₀ = launching velocity = ?

v₀ₓ = Horizontal Component of Launch Velocity = 15 m/s

v₀y = Vertical Component of Launch Velocity = 30 m/s

Therefore,

v₀ = √[(15 m/s)² + (30 m/s)²]

v₀ = 33.54 m/s

Now, we find the launch angle of the ball by using the following formula:

θ = tan⁻¹ (v₀y/v₀ₓ)

θ = tan⁻¹ (30/15)

θ = tan⁻¹ (2)

θ = 63.43°

Now, the maximum height attained by the ball is given by the formula:

H = (v₀² Sin² θ)/2g

H = (33.54 m/s)² (Sin² 63.43°)/2(10 m/s²)

<u>H = 45 m</u>

6 0
2 years ago
1pt Which is an observation? O A. A person hears the song of a bird. OB. A person suggests that bird calls are a means of commun
Doss [256]

Answer:

D

Explanation:

he describes as he writes them down

3 0
3 years ago
If a force of 25 N is applied to an object with a mass of 8 kg, the object will accelerate at
Blizzard [7]
3.13 m/s2
.
the formula for acceleration is as follows:
force/mass = acceleration
-
so 25/8 = 3.13
3 0
3 years ago
PLEASE HELP!!! WILL MARK THE BRAINLIEST! HIGH SCHOOL PHYSICAL SCIENCE List the independent, dependent, controlled variables of t
serious [3.7K]

Answer:

Explanation:

You didn't last any of the variables. You have to list the variables to tell which are which.

3 0
3 years ago
Read 2 more answers
A 50 Q resistor in a circuit has a current flowing through it of 2.0 A. What is
Alex17521 [72]

Hello!

We can use the following equation for calculating power dissipated by a resistor:
P = i^2R

P = Power (? W)
i = Current through resistor (2.0 A)
R = Resistance of resistor (50Ω)

Plug in the known values and solve.

P = (2.0^2)(50) = \boxed{\text{ B. }200 W}

7 0
1 year ago
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