Acceleration=force/mass=28/(10+4)=2m/s^2
force10kg=ma=10*2
force4kg=ma=(10*2)=20
the4 kg is pushing against the 10kg block
vf=vi+at
-10=20*28/14 * t
t=30/2=15sec
i hope this can help you.
It’s will be B because the circuit had a open or close so if that doesn’t work than it’s because it’s open
The correct answer is C. Final Velocity
Hope this helped!
Answer:
D a thermometer
Explanation: It measures and track Celcius and Feirinheit.
For every action there is an equal and opposite reaction." So that applies to a roller coaster, between the ride vehicles and the track. When a ride goes up and down the hill, it creates different forces onto the track.
