Look at the four “circuits” shown in the figure below, and select those that will light the bulb
3
Physics & Space Science
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A 4.0-kg particle is moving horizontally with a speed of 5.0 m/s when it strikes a vertical wall. The particle rebounds with a speed of 3.0 m/s. What is the magnitude of the impulse delivered to the particle?
a. 24 N/s b. 32 N/s c. 40 N/s d. 30 N/s e. 8.0 N/s
Physics & Space Science
How much kinetic energy must a deuterium ion (charge 1.6 × 10^-19 C) have to approach to within 10-14 m of another deuterium ion? (1 MeV = 1.6 × 10^-13 J)
Physics & Space Science
When liquids change to a solids, they
A) absorb energy. B) release energy. C) both of these D) neither of these
Physics & Space Science
A person on a diet loses in a week. How many micrograms per second (?g/s) are lost?
A) 2.6 × 103 ?g/s B) 1.6 × 105 ?g/s C) 44 ?g/s D) 6.4 × 104 ?g/s
Physics & Space Science