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Solve the all parts of following problem given below:
Problem: To maintain a constant speed, the force provided by a car's engine must equal the drag force plus the force of friction of the road (the rolling resistance). The density of air is 1.2 kg/m3.
Part A: What are the drag forces at 80 km/h and 109 km/h for a Toyota Camry? (Drag area = 0.70 m2 and drag coefficient = 0.28).
at 80 km/h = _____ N
at 109 km/h = _____ N
Part B: What are the drag forces at 80 km/h and at 109 km/h for a Hummer H2? (Drag area = 2.44 m2 and drag coefficient = 0.57).
at 80 km/h = ______ N
at 109 km/h = ______ N
I need help to determine the drag forces at 80 km/h and at 109 km/h for a Hummer.
While walking around your apartment in socks you shuffle your feet across the floor and realize that you've accumulated a positive charge of +9 nC (9 x 10^-9 C)
An insect 4.00mm tall is placed 20.0cm to the left of a thin planoconvex lens. Calculate the location of the image this lens forms of the insect
A parallel-plate capacitor with area 0.700 m2 and plate separation of 2.00 mm is connected to a 18.00-V battery. How much charge is stored on the plates
A coin 2.1 cm in diameter is held 25 cm from a concave spherical mirror of 28 cm radius of curvature. What is the diameter of the image
Suppose a pion is traveling in the positive x-direction, and the magnetic field is in the positive z direction. Was the pion positively or negatively charged
A 220 g top spinning at 14 rev/s makes an angle of 30° to the vertical and precesses at a rate of 1 rev per 8.0 s. what is the moment of inertia of the top
what is th capacitance of a parallel plate capacitor where the plates have an area 5 sq meters and are separated by a
A child has a temperature of 101F. If her total skin area is 18 m2, find the energy loss per second due to radiation, assuming the emissivity is 1. Assume the room temperature is 70F. The Stephan-Boltzmann constant is 5.6696 ×10^8 W/m2*K4.
A proton (mass 1.67 10 ) is moving at 1.65 10 directly toward a stationary helium nucleus (mass 6.64 10 ). After a head-on elastic collision, what is the proton's velocity?
A coil is wrapped with 282 turns of wire on a square frame with sides 12.2 centimeter. compute the average value of the induced emf
A rabbit runs in a straight line with a velocity of +1.6 m/s for a period of time, rests for 9 s, and then runs again along the same line at +0.55m/s for an unknown amount of time. The rabbit travels a total distance of 1116m, and its average spee..
The maximum speed of a 3 kilogram mass attached to a spring is 0.67 m/s, and the maximum force exerted on the mass is 12 Newton. Calculate the frequency of this system
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