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2 years ago

A woman gets burned at the beach after a hot, sunny day. What kind of

Physics

2 answers:

Nata [24]2 years ago

7 0

Answer:

D: Thermal energy

Explanation:

igomit [66]2 years ago

3 0

Answer:

thermal, hot equals thermal and such

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Betty (mass 40 kg), standing on slippery ice, catches her leaping dog (mass 15 kg) moving horizontally at 3.0 m/s. Show that the

MA_775_DIABLO [31]

Answer:

v = 2.18m/s

Explanation:

In order to calculate the speed of Betty and her dog you take into account the law of momentum conservation. The total momentum before Betty catches her dog must be equal to the total momentum after.

Then you have:

$Mv_{1o}+mv_{2o}=(M+m)v$ (1)

M: mass Betty = 40kg

m: mass of the dog = 15kg

v1o: initial speed of Betty = 3.0m/s

v2o: initial speed of the dog = 0 m/s

v: speed of both Betty and her dog = ?

You solve the equation (1) for v:

$v=\frac{Mv_{1o}+mv_{2o}}{M+m}=\frac{(40kg)(3.0m/s)+(15kg)(0m/s)}{40kg+15kg}\\\\v=2.18m/s$

The speed fo both Betty and her dog is 2.18m/s

7 0

2 years ago

Tina's calculations of the tarantula found that the spider was able to cover 20 centimeters in five seconds what was the average

Sergeu [11.5K]

(20 cm)/(5 sec) = (0.20 meters)/(5 seconds)

8 0

3 years ago

Which chart correctly describes the properties of electric and magnetic fields?

Serjik [45]

Both electric and magnetic fields exert body forces, meaning they act from a distance. The like charges and poles in both repel; positive charge repels positive and the north pole repels the north pole. For both, the opposite poles/charges attract. Finally, only magnetic fields have poles, and there are two poles, namely the south and north, so they are dipolar. The diagram that represents all of this information correctly is the third.

7 0

3 years ago

Experiencing a green afterimage of a red object is most easily explained by

il63 [147K]

Answer:

The opponent-process theory

Explanation:

The opponent process theory is based on the human visual system and according to the theory the interpretation of the color is done by the photo-receptors rods and cones in the human eye.

This theory states that the perception of color is governed by the two opponent system which includes - a red-green, a blue-yellow and a black-white mechanism.

Any activity in one of these restricts the activity in the other.

4 0

3 years ago

Read 2 more answers

Write four factors that affect the speed of sound in a gas medium.

wolverine [178]

Answer:

(a) Effect of pressure :

(a) Effect of pressure :(b) Effect of temperature :

(a) Effect of pressure :(b) Effect of temperature :(c) Effect of density :

(a) Effect of pressure :(b) Effect of temperature :(c) Effect of density :(d) Effect of moisture (humidity):

(a) Effect of pressure :(b) Effect of temperature :(c) Effect of density :(d) Effect of moisture (humidity):(e) Effect of wind:

Explanation:

<h2>I HOPE THIS HELPS YOU♡♧</h2>

5 0

2 years ago