Answer:
friction = 49 N, a = 2.5 m/s/s
Explanation:
big brain
Answer:
When Momentum is conserved it is called conservation of momentum
Explanation:
Answer:
balanced , balanced , unbalanced, unbalanced, balanced, balanced, unbalanced
Explanation: you're welcome
Answer:
Option C
100 J
Explanation:
Kinetic energy, KE is given by
where m is the mass and v is the velocity
Substituting 50 Kg for mass, m and 2 m/s for velocity v then we obtain
Therefore, the child's kinetic energy is equivalent to 100 J
Answer:
KE = 4 mv2 m = 2xKE valami. V m.
Explanation:
