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wellington
Questions (10)
Suppose the market wage for farmers is $10 per hour in country A and $20 per hour in country B,
there is the same number of
0 answers
514 views
Find the average speed of an automobile that travels 160 km in 2.0 h.
1 answer
715 views
How did kinetic energy and potential energy compare to the total energy during the
motion without friction? What about when
0 answers
429 views
A 1250 kg wrecking ball is lifted to a height of 12.7 m above its resting point. When the wrecking ball
is released, it swings
1 answer
668 views
8. A torque wrench reads 25 lb ft.
a. If its length is 1.0 ft, what force is being applied to the wrench? b. What is the force if
2 answers
487 views
Eight people are involved in a tug-of-war. The blue team members pull the rope with the forces of
220 N, 340 N, 180 N, and 560 N.
3 answers
804 views
A hammer falls from a scaffold on a building 50.0 m above the ground. Find its speed as it hits the
ground.
1 answer
545 views
A 475 kg pre-stressed concrete beam is to be raised 10.0 m in 24.0 s. How many kilowatts of power
is needed for the job?
3 answers
437 views
. A 475 kg pre-stressed concrete beam is to be raised 10.0 m in 24.0 s. How many kilowatts of power
is needed for the job?
2 answers
518 views
5[3m-(m+6)]>-6(m-5)
1 answer
345 views
Answers (3)
The specific gravity of an unknown substance is 0.80. Will it float on or sink in gasoline?
31.3 m/s
1.9415625
