subject
Physics, 06.03.2021 01:00 scasemere

A 7.0 kg box is at rest on a table. The static friction coefficient jis between the box and table is 0.40, and the kinetic friction coefficient plx is 0.10. Then, a 25 N horizontal force is applied to the box.
What is the best estimate of the magnitude of the box's acceleration?
Round the answer (if non-zero) to two significant digits.
Choose 1
А
m
23
3.3
32
m
0.37

ansver
Answers: 3

Another question on Physics

question
Physics, 22.06.2019 09:00
As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy
Answers: 2
question
Physics, 22.06.2019 19:00
The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.
Answers: 1
question
Physics, 22.06.2019 21:00
On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?
Answers: 3
question
Physics, 23.06.2019 00:10
During cooling, the kinetic energy of the molecules falls. why does this happen? a.the motion of the molecules increases. b. the motion of the molecules slows down. c.the van der waals forces between molecules decrease d. the forces of attraction between the molecules are overcome.
Answers: 2
You know the right answer?
A 7.0 kg box is at rest on a table. The static friction coefficient jis between the box and table is...
Questions