A net force of 450 N applied to a car results in the car accelerating at 0.360 m/s2. What is the mass of the car?
A) 162 kg
B) 625 kg
C) 12300 kg
D) 1250 kg
E) 1590 kg
D
You might also like to view...
Air is pumped into a bicycle tire at constant temperature. The pressure increases because:
A. more molecules strike the tire wall per second B. the molecules are larger C. the molecules are farther apart D. each molecule is moving faster E. each molecule has more kinetic energy
The temperature of a sample of a substance is a way to gauge
A. the kinetic energy of the fastest moving molecule in the sample. B. the average momentum of the fastest 50% of the molecules in the sample. C. the average kinetic energy of the molecules in that sample. D. the average momentum of the molecules in a sample.
A laser with a power of 1.0 mW has a beam radius of 1.0 mm. What is the peak value of the electric field in that beam?
A) 490 V/m B) 840 V/m C) 65 V/m D) 120 V/m E) 22 V/m
Approximately what mass ratio is required for a rocket to leave the Earth's gravity?
A) 60 B) 99 C) 25 D) 39