Physics
Physics, 26.09.2019 17:20, daphnevlogs11

Initially, a 2.00-kg mass is whirling at the end of a string (in a circular path of radius 0.750 m) on a horizontal frictionless surface with a tangential speed of 5 m/s. the string has been slowly winding around a vertical rod, and a few seconds later the length of the string has shortened to 0.250 m. what is the instantaneous speed of the mass at the moment the string reaches a length of 0.250 m?

answer
Answers: 3

Other questions on the subject: Physics

image
Physics, 20.06.2019 18:02, mandyj5477
Which of the following statements does not explicitly describe a transfer of money a. a ball dropped from a heigh hits the ground with a high speed. b. the collision produced in a nuclear reaction heat up the surroundings. c. a plane increases its air speed from 150 mi/hr to 200 mi/hr. d. the electricity from the power socket causes the fan to turn.
Answers: 1
image
Physics, 21.06.2019 22:30, dyamondgeorge1oy4nex
During takeoff, the sound intensity level of a jet engine is 170db at a distance of 34 m. what's the sound intensity level at a distance of 1.0 km?
Answers: 2
image
Physics, 22.06.2019 05:10, wendymtz2004
Which situation will have the highest resistance? a. long wire and high temperatureb. short wire and high temperaturec. long wire and cold temperaturedshort wire and low temperature
Answers: 2
image
Physics, 22.06.2019 07:00, aprilstalder
Why should seat belts not be mandatory quick plz
Answers: 2
Do you know the correct answer?
Initially, a 2.00-kg mass is whirling at the end of a string (in a circular path of radius 0.750 m)...

Questions in other subjects:

Konu
Mathematics, 12.12.2020 16:20
Konu
Chemistry, 12.12.2020 16:20
Konu
Social Studies, 12.12.2020 16:20
Konu
Mathematics, 12.12.2020 16:20