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olga2289 [7]
3 years ago
13

Tina and her puppy are tugging on a rope, each pulling on opposite ends.

Physics
2 answers:
pickupchik [31]3 years ago
8 0
B. whenever she pulls the puppy toward her..
timama [110]3 years ago
5 0
B. whenever she pulls the puppy toward her.
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A vehicle moving at 5m/s, i . what should be the constant declaration in order to stop it within 15m? ii. How long it takes to s
Flura [38]

Answer:

Refer to the attachment for solution (1).

<h3><u>Calculating time taken by it to stop (t) :</u></h3>

By using the second equation of motion,

→ v = u + at

  • v denotes final velocity
  • u denotes initial velocity
  • t denotes time
  • a denotes acceleration

→ 0 = 5 + (-5/6)t

→ 0 = 5 - (5/6)t

→ 0 + (5/6)t = 5

→ (5/6)t = 5

→ t = 5 ÷ (5/6)

→ t = 5 × (6/5)

→ t = 6 seconds

→ Time taken to stop = 6 seconds

7 0
3 years ago
A circuit has a voltage drop of 60.0 V across an 80.0 resistor that carries a current of 0.750 A. What is the power used by the
ira [324]

45.0 W is the answer

4 0
3 years ago
Two 2 kg masses is placed at either end of a rod that has a mass of .5 kg and a length of 3 m. What is the moment of inertia if
sergij07 [2.7K]

Explanation:

a) I=\displaystyle \sum_{i}m_ir_i^2

where r_i is the distance of the mass m_i from the axis of rotation. When the axis of rotation is placed at the end of the rod, the moment of inertia is due only to one mass. Therefore,

I= mr^2 = (2\:kg)(3\:m)^2 = 18\:kg-m^2

b) When the axis of rotation is placed on the center of the rod, the moment is due to both masses and the radius r is 1.5 m. Therefore,

\displaystyle I= \sum_{i}m_ir_i^2 = 2(2\:kg)(1.5\:m)^2 = 9\:kg-m^2

7 0
3 years ago
Which weather instrument is used to measure air temperatures recorded on a weather map?
Brilliant_brown [7]

Answer:

Thermometer

Explanation:

Hence the name Thermo meaning heat.

7 0
3 years ago
During a neap tide, which phase could the moon be in? select all that apply
snow_lady [41]
Hello,

Here is your answer:

The proper answer to this question is option B "<span>third quarter".

Here is how:

Neap tides are caused when the moon is three thirds full which causes the current to up rise therefore making a neap tide.

Your answer is B.

If you need anymore help feel free to ask me!

Hope this helps!

</span>
4 0
3 years ago
Read 2 more answers
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