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Flura [38]
3 years ago
8

Calculate the average speed (in km/hr) of Charlie whonruns to the store 4 km away in 30 minutes

Physics
1 answer:
max2010maxim [7]3 years ago
4 0
I don't know the answer to that
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How much heat is required to raise 100 grams of water (c= 4.18) by 5 degrees Celsius?
Andrei [34K]

Answer:

Heat capacity, Q = 2090 Joules.

Explanation:

Given the following data;

Mass = 100 grams

Specific heat capacity = 4.18 J/g°C.

Temperature = 5°C

To find the quantity of heat required;

Heat capacity is given by the formula;

Q = mct

Where;

Q represents the heat capacity or quantity of heat.

m represents the mass of an object.

c represents the specific heat capacity of water.

t represents the temperature of an object.

Substituting into the formula, we have;

Q = 100*4.18*5

Heat capacity, Q = 2090 Joules.

7 0
3 years ago
The weight of a box is 1200 Newton if it exerts a pressure of 800 Pascal calculate the area​
fomenos

Answer:

  1. 1.5m2

Explanation:

P=F/A. So here the force is given and the pressure is also given so you make the area the subject since that is what u are looking for

5 0
3 years ago
What life process requires specialized cells in multicellular organisms
worty [1.4K]
The most probable answer for this question would be that almost every life process requires specialized cells in multicellular organisms. To simply put it, cells of multicellular organisms are specialized in a way that they are all grouped into their respective tissues and these tissues are all grouped into their respective organs and these organs are all grouped together into their respective systems and these systems make up the multicellular organisms. These systems have their own functions in maintaining and sustaining the life that the organisms has. The organs have their own functions as well, thus specialized cells are mostly needed in respiration, digestion, circulation, movement, excretion, reproduction, immunity, coordination, and synthesis.
4 0
3 years ago
If a car travels at 45.0 m/s for 2 minutes. What is the car's distance?
Rus_ich [418]

Answer:

the answer is 90 m/s

Explanation:

.....

3 0
3 years ago
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Intrapulmonary pressure is the _______________________.
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Intrapulmonary pressure is the pressure within the lungs
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4 years ago
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