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Wednesday, February 5, 2014

Honors Physics - Midterm

Honors Physics Midterm 1.A car travels 90 km/h. How desire does it take for it to travel 400 km? a.4.1 h b.4.2 h c.4.3 h d.4.4 h 2.A polar bear starts at the northernmost pole. It travels 1.0 km South, wherefore 1.0 km East, accordingly 1.0 km northwest to return to its beginning point. This stir up takes 30 min. What was the bears average didder? a.0 km/h b.0.10 km/h c.3.0 km/h d.6.0 km/h 3.A motorist travels clx km at 80 km/h and clx km at 100 km/h. What is the average hie of the motorist for this trip? a.84 km/h b.89 km/h c.90 km/h d.91 km/h 4.An airplane travels at 300 mi/h south for 2.00 h and and thence at 250 mi/h north for 750 miles. What is the average speed for the trip? a.260 mi/h b.270 mi/h c.275 mi/h d.280 mi/h 5.A new car manufacturer advertises that their car arsehole go from zero to sixty in 8 s. This is a description of a.average speed. b.instantaneous speed. c.average acceleration. d.instantaneous accelera tion. 6. crowd out an objects velocity channelize direction when its acceleration is constant? a.No, this is not possible because it is constantly speeding up. b.No, this is not possible because it is always speeding up or always slowing down, but it can neer turn around. c.Yes, this is possible, and a rock thrown and twisted true(p) up is an example. d.Yes, this is possible, and a car that starts from rest, speeds up, slows to a stop, and then backs up is an example. 7.A cart starts from rest and accele set outs at 4.0 m/s2 for 5.0 s, then maintain that velocity for 10 s, and then decele tramps at the rate of 2.0 m/s2 for 4.0 s. What is the final speed of the car? a.20 m/s b.16 m/s c.12 m/s d.10 m/s 8.The metric prefix for one thousand is a.milli b.centi c.kilo d.mega 9. 50 milligrams is a.0.000050 g b.0.00050 g c.0.050 g d.50000 g 10.An average human has a heart rate of 70 beat generation per minute. If someones heart beats at that aver age rate over a 70-yr...If you ask to get a! rich essay, order it on our website: OrderCustomPaper.com

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