The average speed of the given car is 2.22 s and 3.13 s for 0.25 m and 0.50 m distance respectively.
<h3>How to calculate the Average speed?</h3>
The average speed can be calculated by adding the speed of each trial divided by the number of trials,
For 0.25 m the average speed will be:

For the 0.50 m, the average speed will:

Therefore, the average speed of the given car is 2.22 s and 3.13 s for 0.25 m and 0.50 m distance respectively.
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brainly.com/question/26386984
Nicholas Copernicus correctly assumed that the planets revolved around the sun but he incorrectly assumed that the planets followed a perfect circle orbit around the sun. It was later on discovered by Johannes Kepler that the planets moved around the sun following an elliptical orbit.
The sun or solar energy is the most reliable source of energy on Earth.
Answer:
Option D
4200 W
Explanation:
Power, P is also given as the product of voltage and current, expressed as P=VI
Here, P is power, V is voltage in the xircuit and I is current theough voltage.
Taking 12 V for voltage across and 350A for current across circuit then power will be
P=350*12=4200 W
Therefore, option D is correct.
Answer:
90.6 A
Explanation:
From ohm's law,
V = IR.................... Equation 1
Where V = Voltage of the source, I = current through the person, R = Total resistance
Make I the subject of the equation,
I = V/R............... Equation 2
From the question,
R = Resistance of the appliance + Resistance of the skin
R = 2552+96 = 2648 ohms.
Given:
V = 240 V, R = 2648 Ω
Substitute into equation 2
I = 240/2648
I = 0.0906 A
I = 90.6 mA.
Hence the current through the person = 90.6 A.