a) 32.3 N
The force of gravity (also called weight) on an object is given by
W = mg
where
m is the mass of the object
g is the acceleration of gravity
For the ball in the problem,
m = 3.3 kg
g = 9.8 m/s^2
Substituting, we find the force of gravity on the ball:
b) 48.3 N
The force applied
The ball is kicked with this force, so we can assume that the kick is horizontal.
This means that the applied force and the weight are perpendicular to each other. Therefore, we can find the net force by using Pythagorean's theorem:
And substituting
W = 32.3 N
Fapp = 36 N
We find
c)
The ball's acceleration can be found by using Newton's second law, which states that
F = ma
where
F is the net force on an object
m is its mass
a is its acceleration
For the ball in this problem,
m = 3.3 kg
F = 48.3 N
Solving the equation for a, we find
Answer:
Nuclear engineer
Explanation:
Because it requires a lot of movements during that career.
Answer:
The extent of greenhouse effect on mars is
Explanation:
From the question we are told that
The albedo value of Mars is
The albedo value of Mars is
The surface temperature of Mars is
The surface temperature of Venus is
The distance of Mars from the sun is
The distance of Venus from sun is
The radius of the sun is
The energy flux is
The solar constant for Mars is mathematically represented as
Where is the Stefan's constant with a value
So substituting values
So the greenhouse effect on Mars is
Answer:
» Direct current only flows in one direction with out reversing whereas alternating current flows in a sinusoidal wave form and reverse its direction of flow.
Explanation:
Answer:
the angle, in radians, between the central maximum = 2.87degree or 0.05radians
Explanation:
The detailed steps and appropriate formula is as shown in the attachment.
Using λm = dsin teta
where d =20λ, m = 1
from the formula, sin teta = λ/20λ
= sin teta = 0.05
teta = arc sin(0.05) = 2.87 degree