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katrin [286]
3 years ago
8

Question 1 of 15

Physics
1 answer:
Ierofanga [76]3 years ago
8 0

Answer:

d 75 miles per hour

Explanation:

60 ÷ 20

3 × 25 = 75

hoped that helped!!

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Would thermal energy be greater at 0°C or 48°F?
Alik [6]
If you know 0 C= 32 F, it is greater at 48 F
5 0
4 years ago
What is the total number of natural element ?​
Kitty [74]

Answer:

5 element's

<h3>hope it's help </h3>
8 0
3 years ago
Which of the following are homogeneous solutions?
Sindrei [870]
Salt water
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Vinegar
3 0
4 years ago
What is the gravitational energy of a 2.63kg
Elis [28]

Answer:

G.P.E = 368.3

Explanation:

Given the following data;

Mass = 2.63kg

Height, h = 14.29m

We know that acceleration due to gravity is equal to 9.8m/s²

To find the gravitational potential energy;

Gravitational potential energy (GPE) is an energy possessed by an object or body due to its position above the earth.

Mathematically, gravitational potential energy is given by the formula;

G.P.E = mgh

Where;

G.P.E represents potential energy measured in Joules.

m represents the mass of an object.

g represents acceleration due to gravity measured in meters per seconds square.

h represents the height measured in meters.

G.P.E = 2.63*9.8*14.29

G.P.E = 368.3

Note: the unit of gravitational potential energy is Joules.

3 0
3 years ago
On a proton is 1.6×10`¹⁹. how many protons are in one coulomb of charge​
olga nikolaevna [1]

Answer: There are 6.25 \times 10^{18} protons present in one coulomb of charge​.

Explanation:

Given: Charge on proton = 1.6 \times 10^{-19} C

It is known that the charge on a proton is equal to the charge present on an electron.

Formula used to calculate number of protons is as follows.

Q = ne

where,

Q = charge considered

n = number of protons

e = charge on electron or proton

Substitute the values into above formula as follows.

Q = ne\\1 C = n \times 1.6 \times 10^{-19} C\\n = 0.625 \times 10^{19}\\= 6.25 \times 10^{18}

Thus, we can conclude that there are 6.25 \times 10^{18} protons present in one coulomb of charge​.

5 0
3 years ago
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