The change in momentum of an object equals the impulse applied to it
Answer:
27.22 F.
Explanation:
T ( t ) = T₀ + ( T₁ - T₀)
T ( t ) = 41 , T₀ = 0 , T₁ = 140 , t = 15
Put these values in the equation above
41 = ( 140 - 0 ) e^{-15k}
41/140 = e ^{-15k}
(41/140)^{1/3} = e ^{-5k}
Let after 20 minutes temperature becomes T
T = 0 + 140 e^{-k20}
T / 41 = e^{-5k }
= (41/140)^{1/3}
T = 41 X (41/140)^{1/3}
= 27.22 F.
Answer:
It would be C because quantity means numbers
Answer:
Explanation:
Given
inclination is 
let M be the mass and r be the radius of uniform circular ring
Moment of Inertia of ring 
Friction will Provide the Torque to ring


in pure Rolling 


Form FBD 



Answer:
8.02×10⁵ m
Explanation:
Equation for centripetal force:
F = mv²/r
Solving for r:
r = mv²/F
Given:
F = 8955 N
m = 1160 kg
v = 7446 m/s
r = (1160 kg) (7446 m/s)² / 8955 N
r = 7.182×10⁶ m
The height above the surface is:
h = 7.182×10⁶ m − 6.38×10⁶ m
h = 0.802×10⁶ m
h = 8.02×10⁵ m