Start your trial now! First week only $4.99!*arrow_forward*

Question

Could you kindly solve this and let me know the answer?

Tagged in

Science

Physics

Find answers to questions asked by students like you.

Q: A 0.250 kg0.250 kg toy car moving with a speed of 0.860 m/s0.860 m/s collides with a wall. The figur...

A: The force versus time graph is shown below.

Q: What happens when the book stops moving?

A: The friction is classified into many types. A book moving across the desk is an example of sliding f...

Q: A 12.0-g bullet is fired horizontally into a 118-g wooden block that is initially at rest on a frict...

A: Since the collision is inelastic, only momentum of the system is conserved. Write the conservation e...

Q: Chapter 28, Problem 056 Your answer is partially correct. Try again. A circular wire loop of radius ...

A: Given values:Radius of the wire, R = 15.1 cm = 0.151 mCurrent in the wire, I = 3.07 AAngle made by t...

Q: Constants I Periodic Table A student sitting on a frictionless rotating stool has rotational inertia...

A: (A) Write the expression for rotational velocity using conservation of angular momentum.

Q: N2B.14 Construct a graph of x-velocity as a function of time for an object whose x-position is as sh...

A: Velocity = displacement / time interval = slope of the x(t) – t graph

Q: How much energy is required to lift a 10 kg rock from the surface of the Earth and place it in a cir...

A: Click to see the answer

Q: A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt fall...

A: The speed of the rocket after 4 second is

Q: During a rugby game two players are running toward each other. One has a mass of 88.1 kg and the oth...

A: Given,

Q: Let's assume that two objects with masses mA and mB are mvoing with velocities vA and vB along the x...

A: Let va, vb are the initial velocities of masses a and b, and va’, vb’ are the final velocities of ma...

Q: I need help with part D!!

A: The increase in gravitational potential energy of block will be,

Q: A wooden plank is 5.00 m long and supports a 75.0 kg block 2.00 m from one end. If the plank is unif...

A: The net torque on equilibrium is zero.

Q: A quarterback takes the ball from the line of scrimmage, runs backwards for 12.0 yards, and then run...

A: Given information:The motion of the football from the question can be picturized as below:

Q: Calculate the maximum rate at which a rocket can expel gases if its acceleration cannot exceed seven...

A: Given:Mass of the rocket = 75000 kgExaust velocity of the rocket = 2400 m/sMaximum acceleration of t...

Q: Newton’s 2nd Law stipulates that “the sum of all forces acting on an object are equal to the mass ti...

A: Given information:The mass of the smiley face (m) = 12.6 kg

Q: A 6.6 kg object undergoes an acceleration of 4.2 m/s2. What is the magnitude of the resultant force ...

A: From Newton’s second law of motion.

Q: When unpolarised light is passed through a polariser, and then through an analyser with its polarisi...

A: The Malu’s law relates the incident intensity and the transmitted intensity.

Q: Problem-2 A spring is hanging from the ceiling at its equilibrium. A mass of 275g is added to the sp...

A: (a) For a simple harmonic motion,

Q: why do we launch at a higher altitude to reduce the kinetic energy required to reach orbit?

A: The kinetic energy required to launch an object into space is proportional to the resistance offered...

Q: The inital angular velocity and the angular acceleration of four rotating objects at the same instan...

A: Given information:Initial angular velocity of object 1 (ωi-1) = +22 rad/sAngular acceleration of obj...

Q: A person traveling in a 2,000 kg car at a constant speed of 40.0 m/s applies the brakes, causing a c...

A: Given:Mass of the car = 2,000 kgInitial speed of the car = 40 m/sFinal speed of the car = 0Force app...

Q: Chapter 28, Problem 061 The coil in the figure carries current i 2.30 A in the direction indicated, ...

A: Click to see the answer

Q: You are trying to move a light fixture into an apartment. There are hooks in the elevator so you han...

A: Click to see the answer

Q: A 70.0 kg ice hockey goalie, originally at rest, catches a 0.150 kg hockey puck slapped at him at a ...

A: the final velocity in elastic collision is

Q: At the centre of a circular ice rink, a 82.0 kg ice skater moving 2.25 m/s north hits and grabs onto...

A: Given,

Q: A steel ball of mass 0.740 kg is fastened to a cord that is 88.0 cm long and fixed at the far end. T...

A: from the conservation of energy the initial speed of the ball can be calculated,the expression for c...

Q: Three identical blocks connected by ideal strings are being pulled along a horizontal frictionless s...

A: Given,

Q: Using the conservation of angular momentum arguements explain why ice skaters spin faster when they ...

A: The angular momentum is the product of moment of inertia and angular speed. Again, moment of inertia...

Q: Two objects of masses m and 7m are moving toward each other along the x-axis with the same initial s...

A: In an elastic sollision, the energy as well as the momentum is conserved.Using the conservation of m...

Q: A cylinder of radius 1.84 cm1.84 cm and a spherical shell of radius 9.47 cm9.47 cm are rolling witho...

A: Total kinetic energy of the rolling cylinder is,

Q: A particle has a charge of -6.10 nC . At what distance from this particle does its electric field ha...

A: Click to see the answer

Q: 10.0 kg and m2 Two packing crates of masses m = 7.30 kg are connected by a light string that passes ...

A: Here, the figure shows two packing crates of masses m1 and m2 are connected by a crate lies on a smo...

Q: Physics Question

A: We’ll answer the first three subparts of the question since the exact one wasn’t specified. Please s...

Q: 9-9 CHAPTER 9 Work and Kinetic Energy 23. In Example 9.9 in the textbook, a compressed spring with a...

A: Click to see the answer

Q: A solid 0.7350-kg ball rolls without slipping down a track toward a loop-the-loop of radius R 0.8950...

A: Let va be the speed of the ball at height H, vb be the speed of the ball at lowest point. R be the r...

Q: A transformer has 300 turns on its secondary and 100 turns on its primary. The primary is connected ...

A: (a). the output voltage in the secondary coil is

Q: 9. A particle is subject to a force F, that varies with position V as shown in Figure P7.9. Find the...

A: Work done is equal to area under force Vs displacement curve.Part A :Work done from x = 0 to x = 5

Q: A 161.0-N bird feeder is supported by three cables as shown in the figure below. Find the tension in...

A: The free body diagram is shown below.

Q: A block of mass 2.50 kg is pulled 2.20 m along a frictionless horizontal table by aconstant 16.0 N f...

A: The figure is shown below:

Q: Concave mirror Experiment object height = 0.60m object distance = 3.00cm Radius of curvature = 4.0...

A: The relation between image distance, object distance and magnification (m) is:

Q: Number 2. I need also the free body diagram for that question.

A: Coefficient of the static friction,The acceleration due to gravity,Radius of the curve road,

Q: and R2 are connected in parallel, as in the figure below, then the total resistance R, measured in o...

A: Write the expression for equivalent resistance.

Q: Charge q1 is -7.97 μC, and charge q2 is 2.83 μC. How far apart must the two charges be if the force...

A: The magnitude of the force is

Q: 15.

A: Click to see the answer

Q: A uniform beam of length L= 0.18 m and mass mb=0.83 kg is pinned at one end to a vertical wall. A ro...

A: The weight of the beam acts on the midpoint of the beam at L/2, in downward direction. The tension ...

Q: you are driving down the road and are speeding. You apply the brakes on your car until you slow down...

A: Impulse is given by,

Q: Find the current through each of the three resistors of the circuit show in the picture. The emf sou...

A: Click to see the answer

Q: In introductory physics laboratories, a typicalCavendish balance for measuring the gravitational con...

A: Gravitational force between two objects is,

Q: Constants Periodic Table A lab centrifuge with radius 9.0 cm turns at 73 rev/s. Part A What should b...

A: Given values:Radius, R = 9.0 cm = 0.09 mAngular velocity = 73 rev/s

Q: Does atmospheric refraction affect the length of the day? Would the daylight hours be longer or shor...

A: Atmospheric refraction is the deviation of light or other electromagnetic wave from a straight line ...