The total work done by all forces acting on the bucket is 0 J. The bucket is being raised at a constant speed, so the net force acting on it is ∑ F = 0.
Answer:
The maximum height the pumpkin reaches occurs at 62.5 horizontal meters from its launching spot.
Explanation:
Notice that we are given the actual trajectory equation:
which corresponds to a curve represented by a parabola.
We can find the maximum of this parabola with arms pointing down requesting the derivative (slope of the tangent line to the curve) to be zero :
Answer:
gravitational field strength (g) is measured in newtons per kilogram (N/kg)
Answer:
<h3>
Young modulus of elasticity for a gas is</h3><h2>
<em>Zero</em></h2>
Explanation:
<em>As</em><em> </em><em>the</em><em> </em><em>gas</em><em> </em><em>doesn't</em><em> </em><em>undergo</em><em> </em><em>any</em><em> </em><em>chan</em><em>g</em><em>es</em><em> </em>
<em>so</em><em> </em><em>the</em><em> </em><em>young</em><em> </em><em>modules</em><em> </em><em>of</em><em> </em><em>gas</em><em> </em><em>is</em><em> </em><em>not</em><em> </em><em>defined</em><em>.</em><em>.</em><em>.</em>
Answer:
6.8 eV
Explanation:
As you know, momentum (P) equals the mass of an object (M) times its velocity (V)
p=mv
Also, the momentum of the particle can be expressed in terms of the radius,
charge and field:
p=mv = qrB
K.Emax = p²/2m= q²r²B²/ 2m
K.Emax= (1.6x)² x (0.0104)² x (6.50 x)² / (2 x 9.1x)
K.E max= 1.16 x / 1.82 x
K.Emax= 6.37 J
work function 'Ф' = E- K.E max
since E= hc/ λ
Ф= hc/ λ - K.E max =>
Ф = 1.09 x J
Ф = 1.09 x / 1.6x
Ф =6.8 eV
Therefore, the work function of the metal is 6.8 eV