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

Physics & Space Science

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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

Physics & Space Science

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

Physics & Space Science

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

Physics & Space Science

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

Physics & Space Science