Answer:
The warm seas create a large humid air mass. The warm air rises and forms a low pressure cell, known as a tropical depression.
Explanation:
Hurricanes arise in the tropical latitudes (between 10 degrees and 25 degrees N) in summer and autumn when sea surface temperature are 28 degrees C (82 degrees F) or higher.
P = m/v
6000 kg/m3 = m/4x10^-4
m = 2.4 kg
P = m/v
5000 kg/m3 = 2.4kg/v
V = 4.8 x 10^-4
0.7N x 10 = 7kg
P = m/v
P = 7/4.8 x 10^-4
P answer = 1458.3
It is right?
Answer:
f=-1380N
Explanation:
A karate master wants to break a board by hitting the board swiftly with his hand. The master's hand has a mass of 0.30 kg, and as it strikes the board, his hand has a velocity of 23.3 m/s. The master contacts the board for 0.0050 seconds
.the concluding part to the question should be
What is the impact force (impulse) on the board?
solution
from the Newton's second law of motion which states that
the rate of change in momentum is directly proportional to the force applied
f=m(v-u)/t
f=0.3(0-23.3)/0.005
f=-1380N
f=force impact
m=mass of the karates master's hand
t=time for the impact
v=0m/s final velocity
u=initial velocity
Answer:
Particles vibrate parallel to the direction the sound travels
Answer:
Explanation:
Given
mass of block resting on wedge is
mass of block hanging vertically is m
coefficient of static friction
Let T be the tension in rope
thus for Equilibrium T=mg
is friction force
substitute the value of T
Also
Direction of Friction can either be directing upward or downward depending upon which side system goes after it is released from equilibrium or about to release.