Complete Question
The complete question is shown on the first uploaded image
Answer:
The time taken is
Explanation:
From the question we are told that
The value of
The the interior temperature is
The external temperature is
The required interior temperature is
The newton cooling law is
=>
Now integrate both sides we have
Since c is a constant lnC = c will also give a constant so
=>
=>
substituting value
Hence
=>
Refer to attachment for your answer
Answer:
1)
Force on bar magnet = 0
Torque on bar magnet = 0
2)
Force on bar magnet = 0
Torque on bar magnet = 0.177 Nm
3)
Force on bar magnet = 0
Torque on bar magnet = 0.25 Nm
Explanation:
Part 1)
net force on bar magnet in uniform magnetic field is always zero
Torque on bar magnet is given as
when bar magnet is inclined along z axis along magnetic field
then we will have
Part 2)
net force on bar magnet in uniform magnetic field is always zero
Torque on bar magnet is given as
when bar magnet is pointing 45 degree with z axis then we will have
Part 3)
net force on bar magnet in uniform magnetic field is always zero
Torque on bar magnet is given as
when bar magnet is pointing 90 degree with z axis then we will have
The impact front the fall, depending on the distance, has an effect on the impact of their bones crushing with the pressure from the fall.
Answer:
A
Explanation:
There are three basic forces in aerodynamics: acceleration, which moves an airplane forward; drag, which holds it back; and height, which keeps it airborne. Lift is generally explained by three theories: Bernoulli's principle, the Coanda effect, and Newton's third law of motion.