Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
Find the total electrostatic potential energy of a solid sphere of radius R that is uniformly charged in volume with total charge Q in terms of Q, R, and k
A car is being pulled out of the mud by two forces that are applied by the two ropes shown in the drawing. What angle would the single rope make relative to the dashed line
Object A, which has been charged to + 16nC , is at the origin. Object B, which has been charged to ? 20nC , is at (x,y)=(0.0cm,2.0cm). What is the magnitude of the electric force on object A
The nearest star to the Sun is 25 x 10^12 miles away. How far is this in light-years
A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 29.4m/s2. Find the maximum height ymax reached by the rocket
An infinitely long line of charge has linear charge density 5.00×10?12C/m. Calculate the protons initial kinetic energy
A small glass bead has been charged to + 25nC . A tiny ball bearing 3.0cm above the bead feels a 1.8×10?2Ndownward electric force. What is the charge on the ball bearing
A uniform electric field of magnitude 2500N/C makes an angle of 27 degrees with a plane surface of area 0.355 m2. what is the net charge inside the box
A blue ball is thrown upward with an initial speed of 21.6 m/s, from a height of 0.9 meters above the ground. 2.6 seconds after the blue ball is thrown, What is the maximum height the blue ball reac
You walk from your house 0.25 miles West to Fred's house, What is your displacement from your initial position
A person rides a bike 6.5 miles in 26 min up a mountain, climbing 1900 vertical feet. how much work did his muscles do
A skier is gliding along at 2.8m/s on horizontal, frictionless snow. He suddenly starts down a 10?incline. what is the distance of the incline
A football quarterback is moving straight backward at a speed of 2.0 m/s when he throws a pass to a player 20.0 m straight downfield. How long does it take to get to the receiver
A 66 kg solid sphere with a 14 cm radius is suspended by a vertical wire. What is the period of the oscillations
A rock is thrown downward from the top of a 39.8-m-tall tower with an initial speed of 9 m/s. Assuming negligible air resistance, what is the speed of the rock
The potential difference between the surface of a 3.1 cm diameter power line and a point 1.8 m distant is 5.0 kV. What is the line charge density on the power line
A ball bearing is dropped from rest at a point A. At the instant it passes a mark 4.0 m below A, another ball bearing is released from rest from a position 5.0 m below A, How far does the second be
A bird flies 3.6km due west and then flies 1.2km due north, What is the angle between the net displacement vectors of the 2 birds
A model rocket is fired upward. The rocket's average initial acceleration is 38.5 m/s2 until the fuel burns out in 0.825 s. How high does the rocket go
Suppose that on earth you can throw a ball vertically upward a distance of 1.02 m. how high could you throw a ball on Pluto
You throw a ball straight down from an apartment balcony to the ground below. The ball has an initial velocity of 4.95 m/s, Find the height of the balcony
A research Van de Graaff generator has a 3.80 m diameter metal sphere with a charge of 1.06 mC on it. What is the electric potential on the surface of the sphere
Suppose the speed of light were only 3000 m/s. A jet fighter moving toward a target on the ground at 600 m/s shoots bullets, What are the bullets' velocity relative to the target
A cloud of locusts having a density of 100 insects per cubic meter is flying north at a rate of 6 m/min. What is the flux density of locusts
A partly-full paint can has 0.82 U.S. gallons of paint left in it. What is the volume of the paint