Answer:
i just need to push harder
Explanation:
the harder you push, the more the door leans on the other side. newtons law i think
P=W/t=2940/10=294 W
W=F•s
W=m•g•s
W=150×9.8×2
W=2940 J
Answer:
v = 20 m/s
Explanation:
Given that :
Initial Velocity of cars (u) = 0
Car with smaller mass = m
Car with larger mass = 2m
Final velocity of smaller mass = v
Final velocity of larger mass v2 = 10
Using the relation :
Initial momentum = final momentum
m1u1 + m2u2 = m1v1 + m2v2
Since u = 0
m1v1 + m2v2 = 0
mv + 2m * 10 = 0
mv + 20m = 0
mv = 20m
v = 20m / m
v = 20
Final velocity of larger mass car will be 20 m/s
Conduction. is a transfer of energy by direct contact