Transport companies like use of GPS transponders on their trucks because it allows them more flexibility in moving their rigs to where they are needed
What will be an ideal response?
True, and it allows them to determine when drivers are goofing off instead of
driving. It also allows them to be able to give more accurate information as to arrival times
for their deliveries.
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Carl has a 5-inch refracting telescope, and Jim has a 3-inch reflecting telescope. Whose telescope has a higher light-gathering power?
A. Carl's, because lenses gather more light. B. Carl's, because the larger the diameter, the more light to be collected. C. Jim's, because the smaller the diameter, the more light to be collected. D. Jim's, because mirrors gather more light.
A 45-kg person steps on a scale in an elevator. The scale reads 460 N. What is the elevator doing?
What will be an ideal response?
A car moving initially with velocity v0 with deceleration a comes to a full stop after traveling a distance d. We can say that the velocity of the car after traveling a distance d/2 is
A) greater than v0/2. B) equal than v0/2. C) smaller than v0/2. D) has no relationship to v0.
A 4.0-mF capacitor initially charged to 50 V and a 6.0-mF capacitor charged to 30 V are connected to each other with the positive plate of each connected to the negative plate of the other. What is the final charge on the 6.0-mF capacitor?
A. 20 mC B. 8.0 mC C. 10 mC D. 12 mC E. 230 mC