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zianna
Questions and answers by
zianna
Questions (22)
In one day, a 75-kg mountain climber ascends from the 1500-m level
on a vertical cli to the top at 2400 m. The next day, she
3 answers
1,663 views
a projectile is thrown with the speed of 25 meter per seconds in a direction 30° above the horizontal.
-how high does it go.
1 answer
413 views
a projectile is thrown with the speed of 25 meter per seconds in a direction 30° above the horizontal.
-how high does it go.
1 answer
423 views
An automobile starts from rest and 110
ft attains a speed of 30 mi/h. In what time has it traveled this distance and the is the
7 answers
2,108 views
a train starts from rest ad at the end of 90° seconds has a speed of 10km/h. What is the acceleration?
3 answers
584 views
An automobile starts from rest and 110
ft attains a speed of 30 mi/h. In what time has it traveled this distance and the is the
2 answers
686 views
what net force is required to bring a 1500kg car to rest from a speed of 100kph within a distance of acceleration.
2 answers
536 views
what net force is required to bring a 1500kg car to rest from a speed of 100kph within a distance of acceleration.
2 answers
594 views
determine the tension in a cable needed to lift a 2000 kg elevator with an acceleration of 1.5 m/s.squared.
How would you solve
4 answers
1,348 views
suppose the glider is initially at rest at x=0, with the spring unstretched. You then apply a constant force in the +x direction
1 answer
496 views
a slingshot will shoot a 10 pebble 22.0 m straight up. a) how much potential energy is stored in the slingshot rubber band? B)
2 answers
986 views
suppose the glider is initially at rest at x=0, with the spring unstretched. You then apply a constant force in the +x direction
1 answer
446 views
an ideal spring of negligible mass is 12.00 cm long when noting is attached to it. When you hang a 3.15kg weight from it, you
2 answers
575 views
an ideal spring of negligible mass is 12.00 cm long when noting is attached to it. When you hang a 3.15kg weight from it, you
4 answers
5,023 views
suppose the glider is initially at rest at x=0, with the spring unstretched. You then apply a constant force in the +x direction
4 answers
935 views
suppose the glider is initially at rest at x=0, with the spring unstretched. You then apply a constant force in the +x direction
1 answer
450 views
water leaves a hose at a rate of 1.5kg/s with a speed of 20m/s and is aimed at the side of a car, which stops it (splashing back
1 answer
489 views
A 1,500-kg car traveling east with a speed of 25.0 m/s collides at an intersection with a 2,500-kg van traveling north at a
1 answer
847 views
The ballistic pendulum is a device used to measure the speed of a fast-moving projectile such as a bullet. The bullet is fired
1 answer
1,118 views
what is the acceleration of a point on the time of a flywheel 0.90 m in diameter, turning at the rate of 1200 rev/min?
2 answers
1,020 views
discuss the relationship of the following variables with the centripetal force:
a.)radius of revolution b.)mass of the object
1 answer
306 views
a couple part in a car on moonlit evening. Find that their car is stop in the sand. The women having studied physics, ties a
2 answers
1,137 views
