A 1000-kg car experiences a net force of 9500 N while slowing down from 30 m/s to 15.9m/s How far does it travel while slowing down?
A) 31 m B) 34 m C) 41 m D) 37 m
B
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Which is a characteristic of irregular satellites?
a. prograde rotation b. orbit closely to parent planet c. spherical shape d. highly inclined orbit e. relatively large in size
If the field of view (FOV) in Figure 1-1 is 50 ft and the distance is widened by a factor of 100, how large is the FOV in Figure 1-2? Choose the best answer
a. 1 mile b. 5000 ft c. 1 square mile d. 5000 square feet
A 120-? laboratory resistor is rated at 0.25 W. What is the safe current through the resistor?
A) 30 A B) 2.1 mA C) 22 mA D) 46 mA
At what temperature is the rms speed of hydrogen molecules, H2, which have a molecular weight of 2.02 g/mole, equal to 2.0 km/s? The Boltzmann constant is 1.38 × 10-23 J/K and NA = 6.022 × 1023 molecules/mol
A) 17°C B) 51°C C) 68°C D) 72°C E) 34°C