Answer:
ramp b requires less force than ramp a
Explanation:
Rocket fuel will and smoke will emit from the thrusters.
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For example: "Vote for Charlie to be the class president! Everyone else is!"
Answer:
The product of mass and velocity is the correct answer
Explanation:
Momentum is defined as mass × velocity
p = mv
F=ma
F= 4x1.2
F= 4.8 N
F= 4gsin30 - Friction
Friction= 19.6 - 4.8 N
Friction= 14.8 N
Friction= u x 4gcos30
14.8 / 4gcos30 = u
u= 0.43596...
u= 0.44
coefficient is 0.44
