A 340-g air track cart traveling at 1.25 m/s collides elastically with a 300-g cart traveling in the opposite direction at 1.33 m/s. What is the speed of the 300-g cart after the collision?
A) 2.80 m/s
B) 0.0693 m/s
C) 0.899 m/s
D) 1.41 m/s
E) 0.475 m/s
E
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Which of the following objects cannot transit (i.e., pass in front of) the Sun as seen from Jupiter?
a. Mars b. Earth c. Saturn d. Mercury e. Venus
Pressure in a Liquid: What force does the water exert (in addition to that due to atmospheric pressure) on a submarine window of radius 44.0 cm at a depth of 9400 m in sea water? The density of sea water is 1025 kg/m3.
A.
| 5.74 × 107 N |
B. 5.74 × 1011 N
C. 2.87 × 1011 N
D. 1.83 × 107 N
E. 2.87 × 107 N
Suppose that a Ferrari and a Porsche begin a race with a moving start, and each moves with constant speed. One lap of the track is 2 km. The Ferrari laps the Porsche after the Porsche has completed 9 laps
If the speed of the Ferrari had been 10 km/h less, the Porsche would have traveled 18 laps before being overtaken. What were the speeds of the two cars?
The magnetic quantum number can have any integer value ranging from
A) -n to +n. B) -? to +?. C) 0 to n. D) 0 to ?. E) ? to 2? + 1.