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sabeen
Questions (12)
You are viewing a New Year's Day fireworks display at a distance of 1500 m. It is 4.0°C. How long does it take the sound of the
2 answers
732 views
A longitudinal wave spreads radially from a source with power 345 W. What is the intensity 40.0 meters away?
answer in W/m^2.
0 answers
411 views
You are pulling your sister on a sled to the top of a 20.0 m high, frictionless hill with a 10.0° incline. Your sister and the
1 answer
959 views
A small domestic elevator has a mass of 454 kg and can ascend at a rate of 0.180 m/s. What is the average power that must be
1 answer
746 views
A 10-kg duffle bag is undergoing a vertical acceleration of 0.65 m/s2 (positive for up, negative for down), while its owner is
5 answers
493 views
two carts are on a frictionless surface. a compressed spring acts upon te carts, and the 1.5 kg cart moves with a velocity 27
0 answers
528 views
two campers dock a canoe. one camper steps onto the dock. this camper has a mass of 80 kg and moves forward at 4 m/s. with what
3 answers
2,850 views
anyone who knows the answer to this question please show your work.
drwls i know i posted this queestion before but you didn't
5 answers
614 views
anyone???
A juggler throws a ball from height of 0.950 m with a vertical velocity of +4.25 m/s and misses it on the way down.
1 answer
475 views
anyone else know how to go about solving this complicated problem?
Your friend has climbed a tree to a height of 6.00 m. You
2 answers
417 views
Your friend has climbed a tree to a height of 6.00 m. You throw a ball vertically up to her and it is traveling at 5.00 m/s when
2 answers
494 views
A juggler throws a ball from height of 0.950 m with a vertical velocity of +4.25 m/s and misses it on the way down. What is its
1 answer
406 views
Answers (6)
idk somehow i am doing well.
i still don't understand:( what is mgh and what is PE??? what is m? i don't understnad many of the variables in this equation. i was never taught this in class neither have i ever heard of this equation. im sorry mr.pursley. i really am.
because you didn't answer my question about gravity. pls look at my prev. post
i think you can use stoichiometry for this question. i shud help
can anyone help me on this physics problem?
is g in this equation 9.8 or -9.8?
