Car goes 60min/hr. What is speed in m/s? 1 mile = 1.6 km
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Suppose a car travels 102 km at a speed of 30.5 m/s, and uses 2.1 gal 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 × 108 J of energy. (a) What is the force exerted, in newtons, to keep the car moving at constant speed? (b) If the required force is directly...
A train travels at a speed of 30 miles per hour. If 1 mile = 1.6 kilometers, how fast is the train traveling in kilometers per minute? Group of answer choices A 1.0 km/min B 0.4 km/min C 0.6 km/min D 0.8 km/min
Ali is traveling by car at a speed of 120 km/hr in the desert what are the various modes of heat transfer involved in this system, please include the surrounding environment outside, the car, the inner and outer surface of the car, the driver and the engine in your analysis (2 marks) a. b. derive the units of thermal conductivity from furriers law and convection coefficient from newtons law of cooling. (3 marks)
a car traveling at 95 km/hr. is 210 m behind a truck traveling at 75 km/hr. How long will it take the car to catch the truck?
A car travels at a constant speed around a circular track whose radius is 2.65 km. The car goes once around the track in 341 s. What is the magnitude of the centripetal acceleration of the car?
A truck traveling at 50 km/hr approaches a car stopped at a red light. When the truck is 100 m from the car, the light turns green and the car immediately begins to accelerate at 2 m/s2 to a final speed of 100 km/hr. A) • How long does it take for the car to reach its maximum speed? B)During this time, how far does the car travel? C)What is the distance between the truck and the car 20 seconds...
Two cars drive on a straight highway. At time t = 0, car 1 passes mile marker 0 traveling due east with a speed of 24.0 m/s. At the same time, car 2 is 1.2 km east of mile marker 0 traveling at 30.0 m/s due west. Car 1 is speeding up with an acceleration of magnitude 2.8 m/s^2, and car 2 is slowing down with an acceleration of magnitude 3.0m/s^2. At what time do the cars pass next to...
A race car goes around a level, circular track with a diameter of 1.00 km at a constant speed of 89 km/h. What is the car's centripetal acceleration in m/s2?
A car is traveling at 60.0 km/hr. The wheels on the car are rolling without slipping along level ground. The radius of each wheel is 0.5 m. What is the angular velocity, ω, of each wheel, since they are all the same size and are traveling at the same forward speed?
Which of the following speeds is the slowest? (Note: 1 mile = 1.609 km = 5280 ft) 10 ft/s 10 m/s 10 km/hr