1 Item 1 Item 1 1.25 points circular ceramic plate that can be modeled as a blackbody is being heated by an electrical heater. T
1 answer:
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Answer:
m/s
Explanation:
Assumption: bullet leaves the muzzle at a speed of V m/s
and velocity of push received by the man be v m/s
According to newton's third law to every action there is always an equal and opposite reaction.
therefore,
mass of man× velocity = mass of bullet×its velocity
⇒70×v= 10×10^-3 ×V
solving the above eqaution we get
therefore m/s
Answer:0.077
Explanation:
Given
banked designed for traffic moving at
Radius of the curve 201 m
Actual traffic velocity =
For banking of road
Centripetal acceleration is given by
Taking component of centripetal acceleration
along and perpendicular to surface
From FBD
----1
where is frictional force
----2
and we know coefficient of friction is given by
