Answer:
This powder is sodium chloride. In the second reaction (sulfuric acid with copper(II) oxide) the resulting solution was blue in colour. When this solution was heated a small amount of white powder was noted.
Explanation:
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Answer:
Explanation:
Given that,
The frequency of vibration is 120Hz
The mass of object attached is 0.5kg.
We want to find the tension In the string
The tension in the string is the weight of the object, it is how much gravity is pulling the object to the centre of the earth
Using newton second law.
F_net = m•a_y
The body is not accelerating the y-direction, then, a_y = 0
F_net = 0
Force acting on the string is the weight of the object and the tension in the string
T - W = 0
T = W
Where weight is mass × gravity
W = mg
Then,
T = W = mg
T = mg = 0.5 × 9.81
T = 4.905 N
The tension in the string is 4.905 N
As we move, time goes up. Think of it on a graph; as time increases on the x axis, motion can either stay the same, increase, or decrease.
Answer:
Electric Field Strength E₀ = E₀ = Constant
Explanation:
The Electric Filed Strength E₀ to an Infinite uniformly charge large sheet is constant how far is it i.e. it is independent of the distance away from the uniformly charge sheet.
Formula: E₀ = σ / 2 ε₀
Answer:
The linear speed of the car, v, is 24.26 m/s
Explanation:
Given;
radius of the car's tire, r = 0.330 m
angular speed of the car, ω = 11.7 revolutions/s
The angular speed of the car in radian per second:
The linear speed of the car, v, is calculated as;
v = ωr
v = 73.523 rad/s x 0.33 m
v = 24.26 m/s
Therefore, the linear speed of the car, v, is 24.26 m/s
