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kkurt [141]
3 years ago
14

Which statement describes the vector plotted below?

Physics
1 answer:
Komok [63]3 years ago
3 0

Answer: the vector goes from (1,2) to (-3,1)

Explanation:

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A skater pushes off a wall and skates backward for a few meters before stopping.
Inessa05 [86]

Answer:

F

Explanation:

Newton's Third Law (Law of Action-Reaction) states:

Every action has an equal and opposite reaction and it occurs between two objects

In this scenario, the action would be the skater pushing off of the wall, therefore the reaction would be the wall pushing off of the skater since the two objects that are interacting are the wall and the skater.

6 0
2 years ago
: Consider a transformer used to recharge rechargeable flashlight batteries, that has 500 turns in its primary coil, 4 turns in
Aneli [31]

Answer:

a) 096V  b) 0.0288A  c) 0.3456W

Explanation:

a) Vp/Vs= Np/Ns

 120/Vs= 500/4

Vs= 096V

b) Np/Ns= Is/Ip

500/4= 3.6/Ip

Ip= 0.0288A

c) P= VI

P=(120)(0.0288)

P= 0.3456W

8 0
3 years ago
A ball is thrown straight up with an initial speed of 36 m/s . Part A How much time does it take for the ball to reach the top o
nevsk [136]

Answer:3.67 s

Explanation:

Given

Ball is thrown with an initial velocity of u=36\ m/s

As the ball moves upward it experience a declaration due to gravity which will slow down the ball

using

v=u+at

where v=final velocity

u=initial velocity

a=acceleration

t=time

Here v=0

0=36-9.8\times t

t=\frac{36}{9.8}

t=3.67\ s

8 0
3 years ago
Which changes would cause an increase in the resistance of a wire?
Fudgin [204]

Answer:

Resistance can increase relative to Temperature, Nature of Material, Length of Conductor or wire.,and Cross-section area.

Explanation:

6 0
4 years ago
A force of 1 N is the only horizontal force exerted on a block, and the horizontal acceleration of the block is
SVEN [57.7K]

The mass of the first block will be three times the mass of the second block.

According to Newton's second law of motion, the force acting on a body is directly proportional to the acceleration as shown;

F\ \alpha \ a

F = ma

F is the acting force

m is the mass

a is the acceleration of the body

Given the following parameters

Constant force F =  1N

For the first block with the acceleration of "a"

1 = m₁a

a = m₁/1

m₁ = a .................1

For the second block, acceleration is thrice that of the first. This means;

F = m(3a)

1 = 3ma

m_2=\frac{1}{3a} ..........................2

Divide both equations

\frac{m_1}{m_2} =\frac{a}{(\frac{1}{3a} )}\\\frac{m_1}{m_2} = 3\\m_1 = 3m_2

From the calculation, we can conclude that the mass of the first block will be three times the mass of the second block.

Learn more here: brainly.com/question/19030143

4 0
3 years ago
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