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Elisa
Questions (116)
An object with mass m1 = 5.00 kg, rests on a frictionless horizontal table and is connected to a cable that passes over a pulley
2 answers
1,734 views
A woman at an airport is towing her 27.0 kg suitcase at constant speed by pulling on the strap at an angle θ above the
3 answers
880 views
Objects of masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a light string that passes over a frictionless pulley as in
1 answer
2,432 views
There is a parabolic position vs time graph.
Which of these is true: The object moves 1. in a parabolic trajectory. 2. along a
3 answers
1,284 views
A quarterback throws a football toward a receiver with an initial speed of 21 m/s at an angle of 30° above the horizontal. At
1 answer
959 views
An airplane flies 200 km due west from city A to city B and then 280 km in the direction of 30.5° north of west from city B to
2 answers
1,407 views
A quarterback throws a football toward a receiver with an initial speed of 21 m/s at an angle of 30° above the horizontal. At
2 answers
1,819 views
A jet airliner moving initially at 300 mi/h due east enters a region where the wind is blowing at 100 mi/h in a direction 26.0°
3 answers
9,508 views
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 20.0° below the horizontal. The negligent
3 answers
2,652 views
An airplane flies 200 km due west from city A to city B and then 280 km in the direction of 30.5° north of west from city B to
1 answer
722 views
A quarterback throws a football toward a receiver with an initial speed of 21 m/s at an angle of 30° above the horizontal. At
1 answer
1,392 views
A boat moves through the water of a river at 5 m/s relative to the water, regardless of the boat's direction. If the water in
1 answer
1,444 views
A boat moves through the water of a river at 5 m/s relative to the water, regardless of the boat's direction. If the water in
1 answer
863 views
One of the fastest recorded pitches in major-league baseball, thrown by Billy Wagner in 2003, was clocked at 101.0 mi/h . If a
3 answers
8,468 views
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 15.0 m/s. The cliff is h =
3 answers
830 views
consider the following chemical reaction:
2 H20 ---> 2H2 + O2 How many moles of H20 are required to form 1.8 L of O2 at a
0 answers
592 views
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