Answer:
F= MASS *ACCELERATION
12=6*a
a=2 m/sec^2
v^2-u^2=2*a*s
v^2=2*2*3
v=sqrt(12)
v=3.5 m/sec
work done by force= change in kinetic energy
F*S=0.5*M*U^2-0.5*M*V^2
12*3=0 0.5*6*V^2
V=3.46 M/SEC
Explanation:
Changing the medium of the wave.
Waves is always determined by the properties of the medium, which means that changing the medium will change the velocity of the wave
Answer:
Option E is correction. None of the above.
Explanation:
( 1 ) A 3p orbital has more energy than 2p orbital and this is the reason it is away from the nucleus as compare to 2p orbital. Energy of the shells increases as their distance increases from the nucleus.
(2) p subshells are made up of three dumbbell-shaped orbitals
(3) There are three atomic orbitals in a p subshell. They are px, py, and pz.
Answer:
100 N
Explanation:
From the question given above, the following data were obtained:
Mass (m) = 5 kg
Acceleration (a) = 20 m/s
Force (F) =?
Force is simply defined as the product of mass and acceleration. Mathematically, it can be expressed as:
Force (F) = mass (m) × acceleration (a)
F = ma
With the above formula, we can obtain the force need to move the object. This can be obtained as follow:
Mass (m) = 5 kg
Acceleration (a) = 20 m/s
Force (F) =?
F = ma
F = 5 × 20
F = 100 N
Therefore, a force of 100 N is needed to move the object.
