171.0798 M/S
In classical mechanics, kinetic energy (KE) is equal to half of an object's mass (1/2*m) multiplied by the velocity squared. For example, if a an object with a mass of 10 kg (m = 10 kg) is moving at a velocity of 5 meters per second (v = 5 m/s), the kinetic energy is equal to 125 Joules, or (1/2 * 10 kg) * 5 m/s2.
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They are almost the same temperature!!
Answer:
They are correct
Explanation:
According to the uncertainty principle, the uncertainty in the position of an object is directly proportional to its De Broglie wavelength.
The De Broglie wavelength of a baseball is about 
, recall that the diameter of the atom is about to 
. Thus, the error in simultaneously determining the position and momentum of a baseball is infinitesimally small.
Answer:
1.09 km, 3 km
Explanation:
displacement, d = 3.20 km at 20° North of east
A vector quantity has two components one along the x axis and the other is along Y axis. the component along X axis is called the horizontal component and it is due east.
The component along y axis is called vertical component and it is due North.
Displacement due North, dy = 3.20 Sin 20° = 1.09 km
Displacement due east, dx = 3.20 Cos 20° = 3 km
