Laptop computers are equipped with accelerometers that sense when the device is dropped and then put the hard drive into a protective mode. Your computer geek friend has written a program that reads the accelerometer and calculates the laptop’s apparent weight. You’re amusing yourself with this program on a long plane flight. Your laptop weighs just 5 pounds, and for a long time that’s what the program reports. Bui then the “Fasten Seatbelt” light comes on as the plane encounters turbulence. For the next 12 seconds, your laptop reports rapid changes in apparent weight, as shown in Fig. 4.29. FIGURE4.29 The laptop’s apparent weight (Passage Problems 76-79). At the first sign of turbulence, the plane’s acceleration a. is upward. b. is downward. c. is impossible to tell from the graph.
Laptop computers are equipped with accelerometers that sense when the device is dropped and then put the hard drive into a protective mode. Your computer geek friend has written a program that reads the accelerometer and calculates the laptop’s apparent weight. You’re amusing yourself with this program on a long plane flight. Your laptop weighs just 5 pounds, and for a long time that’s what the program reports. Bui then the “Fasten Seatbelt” light comes on as the plane encounters turbulence. For the next 12 seconds, your laptop reports rapid changes in apparent weight, as shown in Fig. 4.29. FIGURE4.29 The laptop’s apparent weight (Passage Problems 76-79). At the first sign of turbulence, the plane’s acceleration a. is upward. b. is downward. c. is impossible to tell from the graph.
Laptop computers are equipped with accelerometers that sense when the device is dropped and then put the hard drive into a protective mode. Your computer geek friend has written a program that reads the accelerometer and calculates the laptop’s apparent weight. You’re amusing yourself with this program on a long plane flight. Your laptop weighs just 5 pounds, and for a long time that’s what the program reports. Bui then the “Fasten Seatbelt” light comes on as the plane encounters turbulence. For the next 12 seconds, your laptop reports rapid changes in apparent weight, as shown in Fig. 4.29.
FIGURE4.29 The laptop’s apparent weight (Passage Problems 76-79).
At the first sign of turbulence, the plane’s acceleration
A fisherman is fishing from a bridge and is using a "30.0-N test line." In other words, the line will sustain a maximum force of 30.0 N without breaking. What is the weight of the heaviest fish that can be pulled up vertically, when the line is reeled in (a) at constant speed and (b) with an acceleration whose magnitude is 2.16 m/s2?
At the end of a roller coaster ride, the cars must slow to a stop, but the magnitude of the acceleration cannot exceed 1.6 g's. Given a car with a mass of 2,400 kg (including the passengers), what is the magnitude of the maximum allowable force (in N)?
If a man weighs 860 N on the Earth, what would he weigh on Jupiter, where the free-fall acceleration is 25.9 m/s2?
Essential University Physics: Volume 1 (3rd Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.