Physics, 08.11.2019 06:31 Serenitybella

Hold a $1 (or larger! ) bill by an upper corner. have a friend prepare to pinch a lower corner, putting her fingers near but not touching the bill. tell her to try to catch the bill when you drop it by simply closing her fingers. this seems like it should be easy, but it's not. after she sees that you have released the bill, it will take her about 0.25 s to react and close her fingers - which is not fast enough to catch the bill.

how much time does it take for the bill to fall beyond her grasp?

the length of a bill is 16 cm.

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 13:00, mandilynn22

Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 ✕ 103 s. given that the charge of an electron is 1.6022 ✕ 10−19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.

Answers: 1

continue

Physics, 22.06.2019 14:40, kellypechacekoyc1b3

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?

Answers: 3

continue

Physics, 22.06.2019 16:30, bransom4206

Each neuron shown in this figure innervates a group of muscle fibers. what is the term for a group of muscle fibers innervated by a single neuron?

Answers: 1

continue

Physics, 22.06.2019 20:50, isarahweller103

Suppose that a mass of 2 kg is attached a spring whose spring constant is 50. the system is damped such that b = 12 . the mass is set in motion with an initial velocity of -8 m/s at a position 0 meters from equilibrium. set up and solve a differential equation that models this motion. write your solution in the form a cos ( ω t − α ) where α is a positive number. use your solution to fill in the information below: what is the amplitude of the motion? what is the value of ω ? what is the phase shift?

Answers: 1

continue

You know the right answer?

Hold a $1 (or larger! ) bill by an upper corner. have a friend prepare to pinch a lower corner, putt...