Physics, 20.09.2019 05:50 babylear

Aboy slides a book across the floor, using a force of 5 n over a distance of 2 m. what is the kinetic energy of the book after he slides it? assume there is no friction.
a. 20 j
b. 10 j
c. 5 j
d. 2.5 j

Answers: 1

Show answers

Another question on Physics

Physics, 21.06.2019 22:00

Orque can be calculated by multiplying the force (n) applied at 90? to the lever arm at a distance (m) from the pivot point (point of rotation), the compound si unit for the torque is n? m. if the force (at 90? to the lever arm) applied is 15 n and it is applied at 2.0 m from the pivot point (point of rotation), what is the torque on the lever?

Answers: 3

Answer

Physics, 22.06.2019 01:30

Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz

Answers: 3

Answer

Physics, 22.06.2019 11:30

Madison pushes with a 210-n horizontal force on a 24-kg crate of coffee resting on a warehouse floor. the force of friction on the crate is 74 n. what is the acceleration?

Answers: 1

Answer

Physics, 22.06.2019 14:00

Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?

Answers: 1

Answer

You know the right answer?

Aboy slides a book across the floor, using a force of 5 n over a distance of 2 m. what is the kineti...

Questions