Answer:
yyyggggggggggggggthhgggggyyyyy
Explanation:
yyygggggggggggg
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.
D. The table pushes up on the vase with the same amount of force as gravity pulling it down.
Answer:
90degrees I'm pretty sure