A 4.0 kg object is moving with speed 2.0 m/s. A 1.0 kg object is moving with speed 4.0 m/s. Both objects encounter the same constant braking force, and are brought to rest. Which object travels the greater distance before stopping?
A) the 4.0 kg object
B) the 1.0 kg object
C) Both objects travel the same distance.
D) It cannot be determined from the information given.
C
You might also like to view...
Specific Heat: A thermally isolated system is made up of a hot piece of aluminum and a cold piece of copper, with the aluminum and the copper in thermal contact. The specific heat capacity of aluminum is more than double that of copper. Which object experiences the greater magnitude gain or loss of heat during the time the system takes to reach thermal equilibrium?
A. the aluminum B. the copper C. Neither one; both of them experience the same size gain or loss of heat. D. It is impossible to tell without knowing the masses. E. It is impossible to tell without knowing the volumes.
An electron is accelerated through a potential difference of 25 000 V. What is the de Broglie wavelength of the electron (in m)?
a. 5.9 × 10^-12 b. 6.8 × 10^-12 c. 6.5 × 10^-12 d. 7.8 × 10^-12 e. 5.5 × 10^-12
The number of cycles to failure in polycrystalline ceramics is the number of cycles in crack _________.
Fill in the blank(s) with the appropriate word(s).
The cockroach doubling time is about 1 week. After 6 weeks of reproducing, how many cockroaches will there be stemming from an original pair?
a. 10 b. 32 c. 64 d. 128 e. 256