Barry has a 10 kg object. He exerts a horizontal force which causes it to accelerate at 5 m/s2, moving it a distance of 20 m, horizontally. Calculate the work done by the force.
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Answer:
Work done by the force is 1000 Joules
Explanation:
The relation ship between the variables is as follows:
(Work W) = (Force F) x (Displacement d) = (Mass m) x (Accelleration a) x (Displacement d)
so:
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The density of an object is dependent of an object?
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The amount of matter contained in a given volume for a substance is called density. The correct answer is density.
Density is a physical property of matter that describes how much mass is present in a given volume. It is typically expressed in units such as kilograms per cubic meter (kg/m³) or grams per milliliter (g/mL).
The density of a substance is determined by its mass and volume and can be used to identify and compare different materials.
Therefore, The amount of matter contained in a given volume for a substance is called density. The correct answer is density.
To know more about the density:
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Answer:
Density
Explanation:
The amount of matter in a substance is its mass. In order to calculate the amount of matter in a given volume of a sample, you will use the density equation: density = mass/volume. ... The density of the elements are known and can be looked up in charts.
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Answer: centimeters per second (cm/s)
Explanation:
The relation between the frequency and the wavelenght is:
Velocity = wavelenght*frequency.
So in a relation of wavelenght vs frequency, we will have the relationship:
Where wavelenght is Y and frequency is X
wavelenght = velocity/frequency.
So the constant is the velocity, and we know that the units of the wavelenght is cm, the unit of frequency is Hz (or 1/s), so the units of the velocity is cm/s
Answer:
cm/s
Explanation:
λν=c where λ is the wavelength, ν is the frequency and c is the speed of light.
λ = c/v which is in cm/s/Hz
But we would use just cm! Because that's how we measure the wavelength in this example.
However, the constant is c, the speed of light, which we measure as a speed, so cm/s will do.
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Answer:
Codominace
Explanation:
Codominance simply refers to a situation whereby there is an equal genetic effect of two parents on their offspring. It is a situation whereby neither of the alleles (i.e. a variant or type of gene) of the two parents can dominate, mask or prevent the expression of the other. Consequently, this will result on the equal expression of the two alleles for trait of the two parents.
Using the human example, there is a codominance when there is the ABO blood group which permits both alleles A and B to be expressed. As a result, if alleles A is inherited by a child from his father and he inherited allele B from his mother, it will result in him having AB as his blood type.
Therefore, the pattern of dominance is the example given in the question is called "codominance."
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