Answer:
Explanation:
Given:
Horizontal distance = 30 m
Note that Wavelength, lambda is the distance between two consecutive crests/troughs. Since,
One boat is at trough, the other is at crest.
The distance between a crest and a trough next to it = lambda/2
Complete cycles = 3 cycles
Time taken for the 3 cycles = 15 s
Vertical distance = 3.8 m
Wavelength, lambda = 2 × horizontal distance
= 2 × 30
= 60 m
Amplitude = vertical distance from the extreme loint to the mid point
= y/2
= 3.8/2
A = 1.9 m
In one cycle = 18/3
= 6 s/cycle
frequency, f = 1/T
= 1/6 = 0.17 Hz
speed,v = lambda × frequency
= 60 × 0.17
= 10 m/s
Answer:
r = 9.92 mm
Explanation:
Given that,
Mass of oil drop,
It acquires 2 surplus electrons, q = +2e
Potential difference, V = 620 V
Thie potential difference is applied between the pair of horizontal metal plates the drop is in equilibrium.
We need to find the distance between the plates.
At equilibrium,
mg = qE
Since, E = V/r (r is distance between plates)
So, the distance between the plates is 9.92 mm.
Velocity is built from speed and direction. Speeding up, slowing down, and changing direction are all the possible forms of acceleration. They're all caused by unbalanced external forces.
The object is in free fall when and only when it is being affected by gravity alone. It is not being influenced by a significant amount of air resistance will always be in free fall. F(net)/m = acceleration
Answer:
0.545 m
Explanation:
K. E = 26 MeV = 26 x 1.6 x 10^-13 J = 4.16 x 10^-12 J
B = 1.35 T
Let r be the radius of curvature
The formula for the kinetic energy of a cyclotron is given by
m = 1.67 x 10^-27 kg, q = 1.6 x 10^-19 c
r = 0.545 m