Physics, 26.02.2022 23:00 NeverEndingCycle
Some kids are messing around on their bikes and seeing who can leave the longest skid mark on the sidewalk. One kid makes a mark that is 9.25 m long and comes to a stop in the process. Her initial speed, just before she locked up the brakes, was 9.50m/s . Part A What was the coefficient of kinetic (sliding) friction between the tires and the ground in this case
Answers: 3
Physics, 21.06.2019 19:30
Aparticle travels in a circular orbit of radius 21 m. its speed is changing at a rate of 23.1 m/s2 at an instant when its speed is 37.2 m/s. what is the magnitude of the acceleration (in m/s? ) of the particle?
Answers: 1
Physics, 21.06.2019 22:30
A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?
Answers: 1
Physics, 22.06.2019 16:40
The astronauts on the space shuttle flights experienced an acceleration of 29 m/s2 (about 3 "g's") during lift-off. what upward force must the astronaut's seat apply to the astronaut in order to cause this acceleration? assume the astronaut's mass is 70 kg, and compute this force when the acceleration is near the earth's surface so their weight equals latex: mg m g .
Answers: 3
Some kids are messing around on their bikes and seeing who can leave the longest skid mark on the si...
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