Physics, 21.11.2020 08:10 mathisawsome123

A 5 kg block is pulled along a horizontal surface by a 28N force to the right. Compute the acceleration of the block if the surface is
a)
smooth,

b)
rough with a coefficient of kinetic friction of 0.23 between the block and the
surface.
[ 5.6ms 2,3.4ms]

Answers: 3

Show answers

Another question on Physics

Physics, 22.06.2019 12:10

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.

Answers: 1

Answer

Physics, 22.06.2019 17:20

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.

Answers: 1

Answer

Physics, 22.06.2019 19:40

Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?

Answers: 1

Answer

Physics, 22.06.2019 22:30

Atennis player used a tennis racket to hit a tennis ball with a mass of 0.25 kg with a force of 5.25 newtons. how does the force the tennis racket exerted on the tennis ball compare with the force the tennis ball exerted on the tennis racket? a. the force of the tennis racket on the tennis ball is equal in magnitude and opposite in direction to the force the tennis ball exerted on the tennis racket. b. the force of the tennis racket on the tennis ball is equal in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. c. the force of the tennis racket on the tennis ball is less in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. d. the force of the tennis racket on the tennis ball is greater in magnitude and opposite in direction as the force the tennis ball exerted on the tennis racket.

Answers: 1

Answer

You know the right answer?

A 5 kg block is pulled along a horizontal surface by a 28N force to the right. Compute the accelera...

Questions