You place a box weighing 200.2 N on a inclined plane that makes a 37.1 angle with the horizontal. Compute the component of the g
ravitational force acting down on the inclined plane. Answer in Units of N
1 answer:
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The recoil velocity of the astronaut is -0.070 m/s
Explanation:
We can solve this problem by using the principle of conservation of momentum: in fact, in absence of external forces, the total momentum of the astronaut-wrench system must be conserved.
At the beginning, their total momentum is zero:
(1)
Later, after the astronaut throws the wrench, the total momentum is
(2)
where
m = 0.725 kg is the mass of the wrench
v = 13.8 m/s is the velocity of the wrench
M = 143 kg is the mass of the astronaut
V is the recoil velocity of the astronaut
Since momentum is conserved, (1) = (2), and so we can find V:
Learn more about momentum:
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Answer:
The torque on the loop is Nm
Explanation:
Given:
Current A
Magnetic field T
Area of loop
Angle between magnetic field and area vector 21°
Form the formula of torque in case of magnetic field,
г
Where magnetic moment
г
г
г Nm
Therefore, the torque on the loop is Nm