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What is the magnitude of the total momentum of the two-cart system after the collision?
lamp I, only
4.0 N
2.0 × 10^−1 m
1
0.22 kg•m/s
340 J
8.20 × 10^−14 J
50 N/m
The height of an individual step on a staircase is closest to
lamp I, only
4.0 N
2.0 × 10^−1 m
1
0.22 kg•m/s
340 J
8.20 × 10^−14 J
50 N/m
When the switch is open, there is an electric current in
lamp I, only
4.0 N
2.0 × 10^−1 m
1
0.22 kg•m/s
340 J
8.20 × 10^−14 J
50 N/m
After a 65-newton weight has fallen freely from rest a vertical distance of 5.3 meters, the kinetic energy of the weight is
lamp I, only
4.0 N
2.0 × 10^−1 m
1
0.22 kg•m/s
340 J
8.20 × 10^−14 J
50 N/m
Which diagram correctly represents an electric field?
lamp I, only
4.0 N
2.0 × 10^−1 m
1
0.22 kg•m/s
340 J
8.20 × 10^−14 J
50 N/m
The energy equivalent of the rest mass of an electron is
lamp I, only
4.0 N
2.0 × 10^−1 m
1
0.22 kg•m/s
340 J
8.20 × 10^−14 J
50 N/m
An object weighing 2.0 newtons is pushed across a horizontal, frictionless surface by a horizontal force of 4.0 newtons. The magnitude of the net force acting on the object is
lamp I, only
4.0 N
2.0 × 10^−1 m
1
0.22 kg•m/s
340 J
8.20 × 10^−14 J
50 N/m
A spring has an unstretched length of 0.40 meter. The spring is stretched to a length of 0.60 meter when a 10.-newton weight is hung motionless from one end. The spring constant of this spring is
lamp I, only
4.0 N
2.0 × 10^−1 m
1
0.22 kg•m/s
340 J
8.20 × 10^−14 J
50 N/m
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