Answer:
the formula of the compound formed when Beryllium reacts with the sulfate ion is BeSO4
Explanation:
B. Gamma rays
Gamma rays have highest energy
If the object, ends up with a positive charge, then it is missing electrons. if it is missing electrons, then it must have been removed form the object during the rubbing process.
To determine how far the car goes, we have to know the distance covered by the 75 revolutions of the tires of the car. To do this, we have to calculate for the perimeter of the tire, then multiply it to the number of revolutions.
Distance =
where pi*d is the circumference of the tire
Distance = 75 * pi * 0.90 m
Distance = 212.06 m
The car covers a distance of
212.06 m as it slows down.
Answer:
The ratio is 0.667.
Explanation:
We are given two incandescent lights which have ratings of 75 W and 50 W .
Both bulbs operate at the same voltage.
The equation of power consumed is given by P =
Therefore the resistance for the 75 W bulb =
Therefore the resistance for the 50 W bulb =
Therefore the ratio of the resistance for the 75 W bulb to the resistance of the 50 W bulb is equal to
= = = 0.667.
The ratio is 0.667.