Suppose a car travels 106 km at a speed of 28 m/s and uses 1.9 gals of gasoline in the process. Only 30% of the gasoline goes into useful work to keep the car moving at a constant speed.
In this problem, you may assume that 1 gallon of gasoline produces 1.2 × 10^8 J of energy.
(a) What is the magnitude of the force exerted to keep the car moving at constant speed?
(b) If the required force is directly proportional to speed, how many gallons will be used to drive 106 km at a speed of 28.0 m/s?
Answers: 2
Physics, 22.06.2019 01:10
If vx = 7.00 units and vy = -7.60 units, determine the magnitude of v⃗ . determine the direction of v⃗ .
Answers: 2
Physics, 22.06.2019 06:40
Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?
Answers: 2
Physics, 22.06.2019 20:00
An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.
Answers: 2
Suppose a car travels 106 km at a speed of 28 m/s and uses 1.9 gals of gasoline in the process. Only...
Mathematics, 08.07.2019 18:30
History, 08.07.2019 18:30
Mathematics, 08.07.2019 18:30
English, 08.07.2019 18:30
History, 08.07.2019 18:30
History, 08.07.2019 18:30
Mathematics, 08.07.2019 18:30
Mathematics, 08.07.2019 18:30
Computers and Technology, 08.07.2019 18:30
History, 08.07.2019 18:30
Biology, 08.07.2019 18:30
History, 08.07.2019 18:30
Mathematics, 08.07.2019 18:30