An antitank weapon fires a 3.0 kg rocket which acquires a speed of 50. m/s after traveling 90. cm down a launching tube. Assuming the rocket was accelerated uniformly, what force acted on it?
A) 4.2 kN
B) 3.6 kN
C) 2.8 kN
D) 2.0 kN
E) 5.8 kN
A
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If two objects are the same size, but one object has a temperature 3 times as hot (in Kelvin) as the other object, the hotter object emits
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What will be an ideal response?
How wide must a narrow slit be if the first diffraction minimum occurs at ±12° with laser light of 633 nm?
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