subject
Physics, 02.08.2019 18:10 Chewbacka2020

A2.44 kg block is pushed 1.55 m up a vertical wall with constant speed by a constant force of magnitude f applied at an angle of 69.6 â—¦ with the horizontal. the acceleration of gravity is 9.8 m/s 2 . if the coefficient of kinetic friction between the block and wall is 0.691, find the work done by f.

ansver
Answers: 2

Another question on Physics

question
Physics, 21.06.2019 17:20
If the force on an object is in the negative direction, the work it does on the object must be [2 points a) negative. b) positive c) the work could be either positive or negative, depending on the direction the object moves
Answers: 1
question
Physics, 21.06.2019 21:30
Ahydroelectric plant takes energy from water and turns it into electrical energy. what are the transformations of energy in the water molecules that are used in the process of generating electricity this way?
Answers: 3
question
Physics, 22.06.2019 09:00
Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic
Answers: 2
question
Physics, 22.06.2019 13:10
The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)
Answers: 2
You know the right answer?
A2.44 kg block is pushed 1.55 m up a vertical wall with constant speed by a constant force of magnit...
Questions
question
Mathematics, 26.06.2019 14:30
Questions on the website: 13722367