Electrical current is measured using the ampere.
The acceleration of gravity on Earth is about 9.8 m/s².
That means that if air resistance is neglected, a falling body
smoothly gains 9.8 m/s of downward speed each second.
If our intrepid chutist lightly stepped out of the plane or was
gently pushed, so that his initial downward speed was zero
and grew by 9.8 m/s every second, then it took him ...
(55) / (9.8) = 5.6 seconds
to reach that particular downward speed.
Answer:
The primary reason of seeing the cracker burst and hearing the sound later is because the speed of sound and light. Speed of light is in the vicinity of 3*10^8m,/ sec while the speed of sound is at a distance of 332m/sec. It is similar to lightning that strikes before the sound.
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Softball weigh around 180 grams or that would be 0.18 Kg. Basketball usually weighs around 22 ounce or 0.6 Kg. To compare the momentum of the two ball we have to use the formula of momentum which is p = mv. m for mass and v for velocity. let us assume both ball are travelling 2 m/s).
Softball. p = mv = (0.18 Kg)(2 m/s) = 0.36 Kg.m/s ( smaller momentum)
Basketball p = mv = (0.6 Kg)(2 m/s) = 1. 2 Kg.m/s (larger momentum
Answer:
Ground State.
Explanation:
Term used for electrons in an atom at their lowest possible energies is called Ground state. Also, it electrons are said to be in excited state when they gain some energy and jump to higher states. the electrons in excited state is always more than in their ground state.