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tester [92]
4 years ago
7

Role does specific heat capacity play in a watermelon staying cool after removal from a cooler on a hot, summer day?

Physics
1 answer:
Leno4ka [110]4 years ago
4 0
Specific heat capacity is defined as the amount of heat required to raise the temperature of 1 gram of a substance by 1 degree Celsius.

So, the greater the specific heat capacity of the watermelon, the longer it would stay cool after removal from the cooler.
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tom and huck are pulling a table in the same direction at the same time with 7N of force each,what is the net force acting on th
defon

We have that The net force acting on the table is

Fn=14N

From the question we are told

tom and huck are pulling a table in the same direction at the same time with 7N of force each,what is the net force acting on the table

Generally the equation for the Net Force  is mathematically given as

Fn=Toms Force +Hucks Force

Therefore

Fn=7+7

Fn=14N

In conclusion

The net force acting on the table is

Fn=14N

For more information on this visit

brainly.com/question/21811998

4 0
3 years ago
A motorcycle starting from rest covers 200 metre distance in 6 second. Calculate final velocity and acceleration of the motorcyc
QveST [7]

Answer:

Explanation:I don't say you must have to mark my ans as brainliest but if you think it has really helped u plz don't forget to thank me....

3 0
3 years ago
QUESTION 2 DOK 3 A Thompson's gazelle has a maximum acceleration of 4.5 m/s2 At this acceleration, how much time is required for
Dominik [7]

Answer:

2.47 s

Explanation:

Convert the final velocity to m/s.

  • 40 km/h → 11.1111 m/s

We have the acceleration of the gazelle, 4.5 m/s².

We can assume the gazelle starts at an initial velocity of 0 m/s in order to determine how much time it requires to reach a final velocity of 11.1111 m/s.

We want to find the time t.

Find the constant acceleration equation that contains all four of these variables.

  • v = v₀ + at

Substitute the known values into the equation.

  • 11.1111 = 0 + (4.5)t
  • 11.1111 = 4.5t
  • t = 2.469133333

The Thompson's gazelle requires a time of 2.47 s to reach a speed of 40 km/h (11.1111 m/s).

5 0
3 years ago
Explain the causes of yaa asantewaa war of 1900​
Anna11 [10]

Answer: the conflict began when a british representative - Sr. Frederick Mitchell Hodgson sat on the golden stool.

Explanation:

since the stool wasn't a throne, when Yaa Asantewaa found out, he led a rebellion which killed 1000 British and allied African soldiers and 2,000 Ashanti.      

good luck with your assignment :)

8 0
3 years ago
An asteroid of mass 5.7×104 kg carrying a negative charge of 14.0 μC is 190 m from a second asteroid of mass 5.5×104 kg carrying
Finger [1]

Answer:

repulsion force es  R = 5,224 10⁻³ N

Explanation:

We use Newton's second law to add forces, the elective force is repulsive because the asteroids have the same type of charge and gravitational force is always attractive.

Gravitational force

      Fg = G m1 m2 / r²

      Fg = 6,673 10⁻¹¹ 5.7 10⁴ 5.5 10⁴/190²

      Fg = 5,795 10⁻⁶ N

Electric force

     Fe = k q1 q2 / r²

     Fe = 8.99 10⁹ 14.0 10⁻⁶ 15.0 10⁻⁶ / 190²

     Fe = 5.2296 10⁻³ N

The resulting force is

     R = Fe - Fg

     R = 5.2296 10⁻³ - 5.795 10⁻⁶=  5229.6 10⁻⁶ - 5,795 10⁻⁶

     R = 5,224 10⁻³ N

this is a repulsive force and the asteroids move away from each other

7 0
3 years ago
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