A car travelling at 32 m/s decelerates at a rate of 6 m/s ^ 2 over 4 secondsWhat is the final velocity the car
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Answer:
v=8m/s
Explanation
The initial velocity, u, of the car=32m/s
Since the car has decelerated, we negate the acceleration
This implies that,
Time,t=4s
Let v be the final velocity,
using the relation,
We obtain the below by substitution
By cross multiplying we obtain,
v=8m/s
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If the upward acceleration is equal to the acceleration due to gravity (), then the apparent weight would be zero, indicating that the passenger is experiencing weightlessness or is in a state of free fall.
When the box has left the rubber band but is still moving upward, the passenger's apparent weight would be less than their actual weight.
The apparent weight of an object is the force exerted on it by a supporting surface, which in this case is the floor of the box. It is equal to the normal force acting on the object.
As the box accelerates upward, there are two main forces acting on the passenger: the gravitational force (weight) pulling them downward and the normal force pushing them upward. The normal force is responsible for providing the upward acceleration to the passenger.
Since the passenger is moving upward, the normal force exerted by the floor must be less than their actual weight to create the net upward force necessary for upward acceleration. Therefore, the passenger's apparent weight is reduced.
The exact value of the apparent weight depends on the magnitude of the upward acceleration and the mass of the passenger. The apparent weight can be calculated using the equation:
Apparent weight = Actual weight - (Mass of passenger * Magnitude of upward acceleration)
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Answer: 3
Explanation:
Nitrogen is in subshell p which can only hold 6 electrons, therefore, it has three orbitals. Since Nitrogen has three electrons in this subshell, only one electron is in each orbital.
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-- Burn the gas.
-- Use the heat to boil water.
-- Pipe the steam through the fan of a turbine.
-- Use the rotation of the turbine to spin an electric-power generator.
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