If one were told the object's initial velocity then one could calculate the work done by using the equations for constant acceleration to find the distance traveled. What is the magnitude of the change in the object's momentum?
a. 150 kg m/s
b. 50 kg m/s
c. 75 kg m/s
d. undetermined—not enough information given
e. none of the above
C
You might also like to view...
What property of a Cepheid variable can you determine if you know its period?
a. surface temperature b. absolute magnitude c. apparent magnitude d. mass e. radius
Impedance: A 25.0-mH inductor, a 2.00-?F capacitor, and a certain resistor are connected in series across an ac voltage source at 1.00 kHz. If the impedance of this circuit is 200 ?, what is the value of the resistor?
A. 100 ? B. 184 ? C. 552 ? D. 579 ? E. 200 ?
The lowest-pitch tone to resonate in a pipe of length L that is open at both ends is 200 Hz. Which one of the following frequencies will NOT resonate in the same pipe?
A) 400 Hz B) 600 Hz C) 800 Hz D) 900 Hz E) 1000 Hz
The following conversion equivalents are given:
1.0 mile = 5280 ft 1.0 ft = 12 in 1 m = 39.37 in 1.0 hour = 60 min 1.0 min = 60 s If a deer runs at 4.7 mi/h, its speed, in meters per second, is closest to A) 2.1 m/s. B) 1.7 m/s. C) 1.9 m/s. D) 2.3 m/s. E) 2.5 m/s.