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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.
A hungry 12.0 kg predator fish is coasting from west to east at 70.0 when it suddenly swallows a 1.20 kg fish swimming from north to south at 3.40 m/s. Find the direction of the velocity of the large fish just after it snapped up this meal
A 33 rpm phonograph record reaches its rated speed 1.8 s after it is turned on. What was the angular acceleration
A 2.50 g bullet, traveling at a speed of 465 m/s, strikes the wooden block of a ballistic pendulum. The block has a mass of 275 g. What is the speed of the bullet/block combination immediately after collision.
Find the speed of a satellite in a circular orbit around the earth with a radius 4.01 times the mean radius of the earth; RE 6.37E+3km; ME 5.98E+24kg
A submarine on the ocean surface receives a sonar echo indicating an underwater object. What is the object's depth
The position of an object as a function of time is (3.2t + 1.8t^2)i + (1.7t + 2.4t^2), Find the magnitude and direction of the object
Two kilomoles of a monatomic ideal gas are at a temp of 300K. The gas expands reversibly and isothermally twice its original volume. Calculate the work done by the gas. (Note that for an ideal gas U is proportional to T, so the change of U = 0 in ..
how is sound produced? key words transverse longtitudinal particleshow are standing waves set up in the instruments?
Spiders may "tune" strands of their webs to give enhanced response at frequencies corresponding to the frequencies at which desirable prey may struggle.
A negative lens has a focal length of -10 cm. An object is located 20 cm from the lens. determine How far from the lens is the image
If each rock strikes the fixture travelling at 10.0 {rm m}/{rm s} horizontally and rebounds at 2.00 {rm m}/{rm s} backwards, how high above the lowest point does collision make your light fixture swing?
A tennis player receives a shot with the ball (0.060 0 kg) traveling horizontally at 55.0 m/s, What work does the racquet do on the ball
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