Use the conservation of momentum formula: m1v1 + m2v2 = v(m1 + m2)
(0.005kg)(250m/s) + (12kg)(0m/s) = v(0.005kg + 12kg)
v = ((0.005kg)(250m/s)) / (0.005kg + 12kg)
v = 0.104 m/s
B, is older
Because if you look on the scale b is deeper
Answer:
40.5 N
Explanation:
second law of newto says : F = ma
F= 4.5 × 9 = 40.5 N
Answer:
Into the page
Explanation:
According to Fleming's hand rule, the middle finger represent the direction of the current, the forefinger represents that of the magnetic field and the thumb gives the direction of the force. when you hold out your left hand with the forefinger, middle finger and thumb at the right angle to one another as the thumb points upward the middle finger will point rightward and the forefinger will point in the direction into the paper.
