Question a single mass m1 4 kg hangs from a spring in a, Ask an Expert

Academics

Question: A single mass m1 = 4 kg hangs from a spring in a motionless elevator. The spring is extended x = 12 cm from its unstretched length.

1) What is the spring constant of the spring?

2) Now, three masses m1 = 4 kg, m2 = 12 kg and m3 = 8 kg hang from three identical springs in a motionless elevator. The springs all have the same spring constant that you just calculated above.

What is the force the top spring exerts on the top mass?

3) What is the distance the lower spring is stretched from its equilibrium length?

4) Now the elevator is moving downward with a velocity of v = -2.3 m/s but accelerating upward with an acceleration of a = 5.5 m/s2. (Note: an upward acceleration when the elevator is moving down means the elevator is slowing down.)

What is the force the bottom spring exerts on the bottom mass?

5) What is the distance the upper spring is extended from its unstretched length?

6) What is the distance the MIDDLE spring is extended from its unstretched length?

View complete question

Physics, Academics

Category:- Physics
Reference No.:- M93099387

Have any Question?Write your Review or question?

Related Questions in Physics

Question 1 preparing for a turn a bus slows down an

Question 1) Preparing for a turn , a bus slows down an acceleration of -2/0 m/s^2 calculate how much time it takes the bus to slow down from 14.0 m/s to 5.0 m/s Question 2) The acceleration of a train that increases its ...

Question the resistivity of a wire is given by rpla where p

Question: The resistivity of a wire is given by R=pL/A. Where p is the resistivity of the material, L is the length of the wire and A is the cross sectional area of the wire. a) If the diameter of the wire is .35mm calcu ...

Question an object is 30 cm in front of a converging lens

Question: An object is 30 cm in front of a converging lens with a focal length of 10 cm. Use ray tracing to determine the location of the image. What are the image characteristics: (i) upright or inverted, (ii) magnifica ...

Question a what is the potential difference vadnbspin

Question: a) What is the potential difference V ad in thecircuit? b) What is the terminal voltage of the 4V battery? c) A battery with emf 10.3V and internal resistance .5ohm isinserted in the circuit d with its negativ ...

Question a series rlc circuit of r 200 ohm l 0900 h and c

Question: A series RLC circuit of R = 200 ohm, L = 0.900 H and C = 2.00 uF carries an rms current of 0.250 A with a frequency of 100 Hz. (a) What is the average rate at which electrical energy isconverted to heat in the ...

Question a standard 100 w 120 v lightbulb contains a 900cm

Question: A standard 100 W (120 V) lightbulb contains a 9.00cm -long tungsten filament. The high-temperature resistivity of tungsten is 9.0 x 10^- 7 Ωm. What is the diameter of the filament? Express your answer with the ...

Question a ring of radius r has total charge qa at what

Question: A ring of radius R has total charge Q. A) At what distance along the z-axis is the electric field strength a maximum? Express your answer in terms of R. B) What is the electric field strength at this point? Exp ...

Question a stationary police car emits a sound of frequency

Question: A stationary police car emits a sound of frequency 1215 Hz that bounces off of a car on the highway and returns with a frequency of 1280Hz . The police car is right next to the highway, so the moving car is tra ...

Question a solenoidal coil with 25 turns of wire is wound

Question: A solenoidal coil with 25 turns of wire is wound tightly around another coil with 320 turns. The inner solenoid is 23.0cm long and has a diameter of 2.00cm . At a certain time, the current in the inner solenoid ...

Question what potential difference is needed to accelerate

Question: What potential difference is needed to accelerate a He+ ion (charge +e, mass 4u) from rest to a speed of 1.8 x 10 6 m/s? Express your answer using two significant figures. The response must be typed, single spa ...

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