Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
An 0.65 kg object is attached to one end of a spring, and the system is set into simple harmonic motion. The displacement x of the object as a function of time is shown in the drawing. With the aid
If the brick has mass 1.80 {\rm kg} and is to reach a maximum height of 3.6 {\rm m} above its initial position on the compressed spring, what distance must the bricklayer compress the spring initial
A metal loop has an area of 0.450m^2 and is placed flat on the ground. There is a uniform magnetic field pointing directly out of the ground. The magnetic field initially has a value of 0.728 T but
An electron is released from rest at a perpendicular distance of 11.4 cm from a line of charge on a very long nonconducting rod. That charge is uniformly distributed, with 6.2 µC per meter. Wh
A machine has an 810 g steel shuttle that is pulled along a square steel rail by an elastic cord . The shuttle is released when the elastic cord has 25.0 N tension at a 45 degree angle. What is the
The protons are emitted nearly at rest from a source at the center and are accelerated through 600 V each time they cross the gap between the dees. The dees are between the poles of an electromagne
The magnetic field produced by the solenoid in a magnetic resonance imaging (MRI) system designed for measurements on whole human bodies has a field strength of 5.0 T, and the current in the solenoi
Determine the spatial separation between the two isotopes after they have traveled through a half-circle.
A 40-W lightbulb connected to a 120-V source experiences a voltage surge that produces 135 V for a moment. By what percentage does its power output increase? Assume its resistance does not change.
An interesting (but oversimplified) model of an atom pictures an electron "in orbit" around a proton. Suppose this electron is moving in a circular orbit of radius 0.30 nm (3.0 x 10-10) and the forc
A point charge (-5.0 µC) is placed on the x axis at x = 4.0 cm, and a second charge (+5.0 µC) is placed on the x axis at x = -4.0 cm. What is the magnitude of the electric force on a thi
It is traveling directly at an infinite plane of charge with a charge distribution of +3.21 C/m2. If it is currently 1.29 m away from the plane of charge, how close will it come to the plane before st
Two 25.0g spheres are hanging from lightweight strings that are each 35.0 cm in length. Each has the same charge They repel each other and make an angle of 5.00 degrees to the vertical. What is the
Determine the speed of the elevator just before it makes contact with the spring. Determine the amount the spring compresses'
A 61 ice cube can slide without friction up and down a 29 slope. The ice cube is pressed against a spring at the bottom of the slope, compressing the spring 12. The spring constant is 24. When the i
A ball thrown vertically from ground level is caught 3.0 s later when it is at it's highest point by a person on a balcony which is 14 m above ground. Determine the initial speed of the ball.
How far will the electron travel from its initial position at t = 0 before it stops?
What changes (if any) occur to the capacitance, the potential difference between the plates, the charge on each plate, and the electric field between the plates? Explain. (Recall that the magnitude
If not, why not? (Recall that the capacitance of a parallel- plate capacitor is given by eDA=d, where eD is the permittivity of free space, A is the area of each plate, and d is the separation betwe
At a typical location in the United States, the earth's magnetic field has a magnitude of 5.0×10^-5 T and is at a 65 degree angle from the horizontal. What is the flux through the 25cm x 30cm
This block is connected by a horizontal string to a second block of mass m_2 = 2.10 kg on the same surface. The coefficient of kinetic friction is mu_k = 0.25 for both blocks. What is the accelerati
You have a symmetric double concave lens with power D = -2 per meter. a) Determine the radius of curvature and the principle planes (assume a 1mm vertex separation).
Choose the origin to be at the location where the bullet begins to move. Then the force (in newtons) exerted by the expanding gas on the bullet is 15000 + 10000x - 25000x^2, where x is in meters. (
An iron bolt of mass 55.0 g hangs from a string 34.1 cm long. The top end of the string is fixed. Without touching it, a magnet attracts the bolt so that it remains stationary, but is displaced hor
A 23.11 kg child bounces on a pogo stick. The pogo stick has a spring constant 17044 N/m. When the child makes a nice big bounce, she finds that at the bottom of the bounce she is accelerating upwar