Answer with Explanation:
We are given that
Diameter of fighter plane=2.3 m
Radius=
a.We have to find the angular velocity in radians per second if it spins=1200 rev/min
Frequency=
1 minute=60 seconds
Angular velocity=
Angular velocity=
b.We have to find the linear speed of its tip at this angular velocity if the plane is stationary on the tarmac.
c.Centripetal acceleration=
Centripetal acceleration==
The answer to this is: a molecule
Answer:
<h2>31km/h</h2>
Explanation:
Step one:
given data
speed of bus= 35km/h forward
speed of ball= 4km/h backwards
`Step two:
Required
the magnitude of the velocity of the ball relative to the ground is the net velocity
that is
=35-4
=31km/h
<em><u>The velocity of the ball relative to the ground is 31km/h</u></em>
Answer:
Meandering
Explanation:
A meander is known as the continuous flow of regular curves which are sinuous, loops, turns, bends or winding in the channel of river
Production of a meander by a river or stream as it erodes the sediments comprising on an exterior, a concave bank and deposits it and other sediment on the downstream on an interior, convex bank which is like a point bar.
Rivers or streams with a one channel and sinuosities of 1.6 or more are defined as meandering rivers or streams.
Answer: the focal length of the CCl4-glass combination is 102.31 cm
Explanation:
Given that;
Index of refraction n1 = 1.55
carbon tetrachloride (CCl4), which has n2 = 1.46
radii of curvature for its surfaces R1 = 4.6cm and R2 = 9.20 cm
the focal length of the CCl4-glass combination = ?
we can determine the focal length using the Formula;
1/f = ( n1 - n2) ( 1/R1 - 1/R)
so we substitute in our values
1/f = ( 1.55 - 1.46 ( 1/4.6 - 1/9.20)
1/f = 0.09 × 0.1086
1/f = 0.009774
f = 1 / 0.009774
f = 102.31 cm
Therefore the focal length of the CCl4-glass combination is 102.31 cm