(Answered) Adult and child in 1m wide revolving door adult pushes to

Academics

Adult and child in 1m wide revolving door. Adult pushes to get through door but the child counteracts by pushing in the middle with 50N. Friction causes a torque of 25Nm. What is the minimum magnitude force needed for the adult to make the door rotate?

View complete question

Physics, Academics

Category:- Physics
Reference No.:- M92745035
Price:- $10

Verified Expert

Priced at $20 Now at $10, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Physics

Question the siren of a fire engine that is driving

Question: The siren of a fire engine that is driving northward at 31.0 m/s emits a sound of frequency 2020 Hz. A truck in front of this fire engine is moving northward at 19.0 m/s. a) What is the frequency of the siren's ...

Question a regulation table tennis ball has a mass of 27g

Question: A regulation table tennis ball has a mass of 2.7g and is 40mm in diameter. What is its moment of inertia about an axis that passes through its center? The response must be typed, single spaced, must be in times ...

Question suppose you have a fixed charge of -150 nc at

Question: Suppose you have a fixed charge of -15.0 nC at point X. Points A and B are to the right of point X at distances of 20.0 cm and 40.0 cm from X respectively. Calculate the following: a) the potential at points A ...

At a playground a toddler climbs on his bike starts to

At a playground, a toddler climbs on his bike starts to pedal away from his dad as fast as he can, at 12.6 km/h, towards a busy road that is 74.2 m away. At Δt=3.44 seconds later, his dad glances up from his phone and no ...

What is the average acceleration of a vehicle which speeds

What is the (average) acceleration of a vehicle which speeds up from 22 m/s to 88 m/s in 21.2 seconds? please provide work to explain

Question an organ pipe is made to play a low note at 275 hz

Question: An organ pipe is made to play a low note at 27.5 Hz, the same as the lowest note on a piano. A) Assuming a sound speed of 343 m/s, what length open-open pipe is needed? B) What length open-closed pipe would suf ...

Question a is the magnetic field created by a current loop

Question: (a) Is the magnetic field created by a current loop uniform?Explain. (b) Does a wire connected to the terminals of abattery emit electromagnetic waves? Explain. (c) Why do astronomers looking at distant galaxie ...

Question the sun emits electromagnetic waves with a power

Question: The sun emits electromagnetic waves with a power of 4 x 1026W. a) Determine the intensity of electromagnetic waves from the sun just outside the atmospheres of Venus. b) Determine the intensity ofelectromagneti ...

Question a proton accelerates from rest in a uniform

Question: A proton accelerates from rest in a uniform electric field of 610 N/C. At some later time, its speed is 1.4 106 m/s. (a) Find the magnitude of the acceleration of the proton. m/s2 (b) How long does it take the ...

A hunter wishes to cross a river that is 1 km wide and that

A hunter wishes to cross a river that is 1 km wide and that flows with a speed of 3 km/h. The hunter uses a small powerboat that moves at a maximum speed of 11 km/h with respect to the water. What is the time necessary f ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Physics Expert