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lord [1]
3 years ago
11

Which theory of language development and acquisition includes the concepts of reinforcement, stimuli control, deprivation, and a

versive stimulation?
a.skinner’s idea of language
b.jean piaget’s theory of cognitive development
c.chomsky’s nativist approach
d.bruner’s theory of language development
Physics
1 answer:
Vlada [557]3 years ago
6 0
A skinner idea of language .-.
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A ball is thrown at 20 m/s from the ground upwards at an angle of elevation of 30°. How far away does it land? 35.35 m
mestny [16]

Answer:

35.35 m

Explanation:

The following data were obtained from the question:

Initial velocity (u) = 20 m/s

Angle of projection (θ) = 30°

Acceleration due to gravity (g) = 9.8 m/s²

Range (R) =.?

The range (i.e how far away) of the ball can be obtained as follow:

R = u² Sine 2θ /g

R = 20² Sine (2×30) / 9.8

R = 400 Sine 60 / 9.8

R = (400 × 0866) / 9.8

R = 346.4 / 9.8

R = 35.35 m

Therefore, the range (i.e how far away) of the ball is 35.35 m

8 0
3 years ago
The combining of light nuclei is called blank. Blank as in ____. Not actually blank. You know what im tryin to say.
Andreas93 [3]

Answer:

The combining of light nuclei is called nuclear fusion.

6 0
3 years ago
Read 2 more answers
A constant net torque is applied to a rotating object. Which of the following best describes the object's motion? A constant net
ahrayia [7]

Answer:

The object will rotate with constant angular acceleration

Explanation:

According to the Newton's Second Law for Whenever there is more than one torque acting on a rigid body that posses fixed axis, the moment of inertia as well as the angular acceleration is equals or proportional to the summation of the torques. It gives details on the relationship between rotational kinematics and torque as well as moment of inertia. This can be represented by the below equation.

∑iτi=Iα.

.Therefore when constant net torque is applied to object that is rotating, the object will rotate with constant angular acceleration

7 0
3 years ago
4
Blizzard [7]

Answer:

0.2 J

Explanation:

The pendulum forms a right triangle, with hypotenuse of 50 cm and base of 30 cm.  The height of this triangle can be found with Pythagorean theorem:

c² = a² + b²

(50 cm)² = a² + (30 cm)²

a = 40 cm

The height of the triangle is 40 cm.  The height of the pendulum when it is at the bottom is 50 cm.  So the end of the pendulum is lifted by 10 cm.  Assuming the mass is concentrated at the end of the pendulum, the potential energy is:

PE = mgh

PE = (0.200 kg) (9.8 N/kg) (0.10 m)

PE = 0.196 J

Rounding to one significant figure, the potential energy is 0.2 J.

6 0
3 years ago
You are on a rollercoaster going around a curve. Your speed is a constant 40 miles per hour. Are you accelerating?
vodomira [7]
No, you are at a constant rate which means that you are always at 40mph
8 0
3 years ago
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