The tension in a string from which a 4.0-kg object is suspended in an elevator is equal to 44 N. What is the acceleration of the elevator? A a. 11 m/s^2 upward B b. 1.2 m/s^2 upward c. 1.2 m/s^2 downward D d. 10 m/s^2 upward E e. 2.4 m/s^2 downward

The tension in a string from which a 4.0-kg object is suspended in an elevator is equal to 44 N. What is the acceleration of the elevator? A a. 11 m/s^2 upward B b. 1.2 m/s^2 upward c. 1.2 m/s^2 downward D d. 10 m/s^2 upward E e. 2.4 m/s^2 downward

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter5: Newton's Law Of Motion

Section: Chapter Questions

Problem 34P: A car with a mass of 1000.0 kg accelerates from 0 to 90.0 km/h in 10.0 s. (a) What is its...

See similar textbooks

Related questions

Q: A flat pląte of 20 cm square moves over another similar plate with a thin layer of 0-4 cm of a liqui...

Q: 7. A projectile is to be launched at an angle of 30° so that it falls beyond the pond of length 20 m...

Q: . The maximum power consumption of an air fryer is 1500 W. If it is connected to a 220-V line, (a) h...

Q: What is the time period? What is the frequency? What is the Amplitude

A: GivenGraph as shown in figure

Q: Write three important boundary conditions the wave should obey at variable linear mass density inter...

A: We have to write the importance boundary conditions the wave should obey at variable linear mass den...

Q: From the window of a building, a ball is tossed from a height y0 above the ground with an initial ve...

Q: A) A 3.4 kg grenade initially at rest explodes into three pieces. A piece of 1.2 kg is heading south...

Q: Your job is to lift 25.0 kg packaged boxes a vertical distance of 1.0 m from the ground onto the bed...

A: power=work donetimepower=mghtm is mass , g is acceleration due to gravity , h is heightt is time1 hp...

Q: Test II. Problem Solving. A beam of proton (g = 1.6 x 10-19 C) moves at 3.0 x 10° m/s through a unif...

A: Given that:- Magnetic field=2T along +z axis

Q: Hi, I really need some help on this problem. I appreciate the help. The magnetic flux through a coi...

Q: The battery supplies a maximum voltage of 12 V. When it is connected to an external circuit, the vol...

A: The battery supplies a maximum voltage of 12 V. When it is connected to an external circuit, the vol...

Q: nt n. Given: nearest neighbour equilibrium distance, R0 = 3.14 Å, compressibility of KCl, K = 5.747...

A: GivenRo= 3.14 Å, compressibility of KCl, K = 5.747 x 10-11 m2/N and Madelung constant, M = 1.748

Q: Water flowing through a garden hose of diameter 2.78 cm fills a 21.0 L bucket in 1.60 min. (a) What...

Q: in parallel, the current is I. When the resistors are in series, the RB ? 8. Consider two resistors ...

Q: A concave mirror has a radius of curvature of R = 0.699 m. An object is place p = 0.910 m away from ...

Q: An object of mass 1 g is whirled in a horizontal circle of radius 0.5 m at a constant speed of 2 m/s...

A: Given : m = 1 g r = 0.5 m v = 2 m/s

Q: How much energy is given to each coulomb of charge passing through a 6 V battery?

A: Given data : Charge=Q Potential difference=V To find : Work done

Q: Solve for the following problems (please answer 4-5)

Q: Water flowing through a garden hose of diameter 2.78 cm fills a 21.0 L bucket in 1.60 min. (a) What ...

A: Use the concepts of water flow through a hose pipe.

Q: A hole of area 1 mm2 opens near the bottom of a large-water storage tank, and a stream of water shoo...

Q: 15. Please consider the following circuit (Yay! Last question of this set!). RB RA А Rc RD с— 12 V R...

A: Equivalent resistance in series R = R1 + R2 Equivalent resistance in parallel 1/R = 1/R1 + 1/R2

Q: On a string instrument, the length of the string varies inversely with the frequency of its vibratio...

Q: 14. Consider the following circuit. Rc3 RA RB Rp RA = 2 2, RB =2 2, Rc = 4 Q, and Rp =7 2. a) Find t...

Q: A parallel plate capacitor has 1 µF capacitance. One of its two plates is given +2 µC charge and the...

Q: What is the force between two protons which are separated by a distance of 3.6 nm? (That is, the fo...

A: Given that The distance between the two proton is (d) = 3.6nm = 3.6×10-9m As we kn...

Q: A jellyfish is floating in a water-filled aquarium 1.45 m behind a flat pane of glass 6.90 cm thick ...

Q: A cube of wood having an edge dimension of 18.7 cm and a density of 651 kg/m³ floats on water. (a) W...

Q: In the figure given below, calculate the value of cosγ. (γ is the angle made by the resultant vector...

A: The vector with magnitude 100 N is the resultant vector. From the figure, the angle made by the resu...

Q: The temperature, at which the root mean square velocity of hydrogen molecules equals their escape ve...

A: Boltzmann constant = 1.38×10-23 JkAvogadro number (NA) = 6.02×1026/kg Radius of earth (R) = 6.4×106 ...

Q: In a "Giant Swing" shown in figure, the seat is connected to two cables. One is from the top of the ...

Q: 5. Consider the circuit shown below, with four different resistors. B3 C If the electric potential a...

Q: The temperature, at which the root mean square velocity of hydrogen molecules equals their escape ve...

Q: Relate the properties of EM waves, wavelength, frequency, and speed essay

A: Relate the properties of EM waves, wavelength, frequency, and speed essay

Q: Two point charges q1 = +26µC and q2 = −17.5µC are 64 cm apart. a. What is the potential energy of th...

Q: A 60 kg skater begins a spin with an angular speed of 6.0 rad/s. By changing the position of her arm...

A: Given, mass of the skater, m = 60 kg angular speed of the skater, ωo = 6.0 rads moment of inertia of...

Q: f) Define and calculate the apsidal angle.

A: apsidal angle is defined as the angle at the origin swept by the orbit between two consecutive apses...

Q: The temperature, at which the root mean square velocity of hydrogen molecules equals their escape ve...

Q: Which of the following diagrams best illustrates the electric field in the area around two identical...

A: Explanation We know , Electric field lines originates from positive charge enters in to the negati...

Q: Does the current in this circuit flow clockwise or counterclockwise? What is the voltage difference ...

A: Current flow only when there is a voltage difference across the two points. . And in the circuit ab...

Q: . [Setup, solve, review] A 20.0 g ball hang from the roof of a freight car by a string. When the fre...

Q: White light hits a diffraction grating with lines that are spaced d = 1729 nm apart. What wavelength...

Q: Two non-identical capacitors when connected in parallel gives an equivalent capacitance of 9.0 pF an...

A: The net capacitance of capacitors connected in series is given by 1Cnet = 1C1+1C2+1C3+..., where C1 ...

Q: Problem 4: A skateboarder is attempting to make a circular arc of radius r = 11 m in a parking lot. ...

Q: A hydrogen atom is 5.3x10^-11m in radius. Use the uncertainty principle to estimate the minimum ener...

A: The minimum energy an electron can have in this atom is 3.4ev.

Q: 1.) use the slope (m=0.2315) to solve for the acceleration of the crate down the inclined plane.

Q: Two very long, straight, and insulated wires are kept at 90° angle from each other in xy- plane as s...

Q: 3. Consider these 2 point charges separated 0.2 m. There are points somewhere along the line passing...

A: Given, Two point charges separated by a distance r = 0.2 m point charges having magnitude, q1 = 3 μ...

Q: A machine part rotates at an angular speed of 0.70 rad/s; its speed is the increased to 2.6 rad/s at...

A: The equation of angular motion we use to solve this is ωf2-ωi2 = 2αθ, where ωf = the final angular v...

Q: A beam of light moves from a medium to another less dense medium. The critical angle is 80 degree. F...

A: A beam of light moves from a medium to another less dense medium.

Q: In an experiment on standing waves, a string 32 cm long is attached to the prong of an electrically ...

A: Given data- Length of string- L=32 cm=0.32 m Frequency- f=60 Hz The mass of the string- m=0.058 kg N...

Concept explainers

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

Question

The tension in a string from which a 4.0-kg object is suspended in an elevator is equal to 44 N. What is the acceleration of the
elevator?
A a. 11 m/s^2 upward
B b. 1.2 m/s^2 upward
c. 1.2 m/s^2 downward
D d. 10 m/s^2 upward
E e. 2.4 m/s^2 downward

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

The tension in a string from which a 4.0-kg object is suspended in an elevator is equal to 44 N. What is the acceleration of the elevator? a. 11 m/s^2 upward b. 1.2 m/s^2 upward c. 1.2 m/s^2 downward d. 10 m/s^2 upward e. 2.4 m/s^2 downward
A 4 kg bowling ball is dropped from a building, and accelerates down toward the earth at 9.8 m/s^2. Next, a 8 kg bowling ball is dropped from the same building. What acceleration will it experience? A. 9.8 m/s^2 B. 19.6 m/s^2 C. 4.9 m/s^2 D. It cannot be determined
A 25 N box is pulled across a rough surface by an applied force of 22 N. The coefficient of kinetic friction between the box and the surface is 0.3. Find the acceleration of the box. Use g = 10 m/s^2 O A. 2.9 m/s^2 O B. 4.8 m/s^2 C. 5.8 m/s^2 D. 8.8 m/s^2 O E. 12 m/s^2
A 60.0 kg skier is moving down a snowy hill inclined at 5 degrees above the horizontal withan acceleration of 0.4m/s2a. What is the acceleration of the same skier when she is moving down a hill with aslope of 10 degrees? Assume that the coefficient of friction is the same for bothcases.b. How much time will it take her to move 25.0m along 10 degree slope?c. After 25.0m, the slope levels out and becomes flat and smooth. She skis into asnowbank which slows her to a stop in a distance of 0.80m. How much forcedoes the snowbank exert on her?d. How much force does she exert on the snowbank?
A lawn mower is pushed at a constant velocity of 0.76m/s. The person pushes horizontally forwards with 80N. a. What is the force of friction between the mower and the lawn?b. What is the acceleration of the lawn mower?c. How long will it take to push it 10 m?
..You get in an elevator, and step onto a weighing scale. You also recall that your normal weight is 625N. A. If the elevator has an acceleration of magnitude 2.50m/s?, what does the scale read as you go UP inside the elevator? b. What does the scale read if as you go DOWN with an acceleration of 3.33m/s??
A friction experiment is performed on a planet that has the same size as Earth but half the mass. A 1.0-kg block is pulled along a horizontal dynamics track with a horizontal force of magnitude 15.0 N. If the coefficient of kinetic friction between the block and the track is 0.3. determine the acceleration of the block. O a. 2.94 m/s^2 O b.3.24 m/s^2 O c. 9.12 m/s^2 O d. 13.53 m/s^2
A 10-kg object is to be given an upward acceleration of 0.3 m/s2 by a rope pulling straight upward on it. What must be the tension in the rope? a. 51 N. b. 50.6 N. c. 60 N. d. 59 N. e. 59.1 N. A student driving a car travels 9 km in 0.4 Hour. What was her average speed? * 5.65 m/s 6.56 m/s 5.56 m/s 6.65 m/s O 6.25 m/s
A 20 kg box sits on an incline plane with angle of 29^o. Find the acceleration of the box down the incline. a. 171.42 m/s^2 b. 95.02 m/s^2 c. 9.7 m/s^2 d. 4.75 m/s^2
2. What is the acceleration along the ground of a 10 kg wagon when it is pulled with a force of 44 N at an angle of 35° above the horizontal? a. 0.23 m/s^2 b. 0.28 m/s^2 c. 2.52 m/s^2 d. 3.60 m/s^2 3. A puppy finds a rawhide bone and begins to pull it with a force, Ft. The free-body diagram is shown. Which describes what happens to the bone? a. It begins to move toward the right. b. It stays in dynamic equilibrium. c. It stays in static equilibrium. d. It begins to move toward the left. `Fx = 8 N F,= -4 N F, = 6 N F =-8 N 4. You walked 10 km west and then ran 10 km north. During each part of the journey, the was the same. a. distance b. displacement c. speed d. velocity 5. A velocity vs. time graph for an object is shown. Which best describes the acceleration of the object? a. constant and positive C. constant and negative b. changing and positive d. changing and negative Velocity vs Time 4 2 1 2 3 4 Time (s) Velocity (m/s)
An 7.57 kg wagon on a level surface is pulled by a 34.9 N force directed at 24° above the horizontal. If the coefficient of friction is 0.212, what is the net acceleration of the wagon (in m/s²)? O a. 0.921 O b. 0.633 O c. 1.27 O d. 0.844 O e. 3.37 O f. 2.53 O g. 1.74 Oh. Not shown here.
a = 1.25 m/s2 Which of the following gives the distance traveled by the block after 20 seconds from rest?a. 280 m c. 250 mb. 230 m d. 266 m Which of the following gives the coefficient of friction between the block and the horizontal plane?a. 0.12 c. 0.08b. 0.10 d. 0.09