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A proton is passing through a uniform, 0.500-T magnetic field and is directed along the x axis. find the pitch of the helix
A truck initially going 10m/s slams on the breaks. If the coefficient between the truck's tires and road is %u03BC=0.4, what is the minimum stopping distance of the truck
Consider a spherical Gaussian surface and three charges:q1=1.76microC, q2= -2.50microC, and q3=3.69microC. Find the electric flux through the Gaussian surface
The electrric field between the plates of a parallel-plate capacitor is horizontal, uniform, and has a magnitude E. What is the magnitude of the electric field
What is the magnitude and direction of the net force on the box?
It is proposed that future space stations create an artificial gravity by rotating. Suppose a space station is constructed as a 800-m -diameter cylinder that rotates about its axis. The inside su
A 1.6kg eagle flying 30m/s west grabs a 0.8kg pelican going 30m/s east. What is the final speed of the eagle and pelican together
Electrons are accelerated from rest through a potential difference of 350V and then enter a uniform magnetic field that is perpendicular to the velocity of the electrons. what is the angular speed o
Two blocks of mass m and 75 kg are connected via a light cord over a massless, frictionless pulley as shown in the attached figure. If the 75 kg block starts 2.0 m above the floor and takes 3.0 s
If the force on the ball increases linearly for 4.00 ms, holds constant for 20.0 ms, and then decreases linearly to zero in another 4.00 ms, what is the maximum force on the ball
A ball is moved from the origion to (1i + 4j) m, using a force (2i + 6j) N. Calculate the work done by the force
A woman pulls a loaded sled of mass m = 75 kg along a horizontal surface at constant velocity
A rubber ball of mass m falls straight down and bounces off the floor with equal incoming and outgoing speeds v. What is the magnitude of the impulse on the ball
A cord passes over a weightless and frictionless pulley. Masses of 200 and 300 grams are attached to the ends of the cord. Find the distance the masses will move during the fifth second after the
An inductor has an inductance of .082H. The voltage across the inductor is 18V and has a frequency of 190 Hz. What is the current in the inductor
A car is driven 165 km west and then 95 km southwest. What is the displacement of the car from the point of origin (magnitude and direction)?
The magnetic force per meter on a wire is measured to be only 27% of its maximum possible value.Calculate the angle between the wire and the magnetic field.
A wrench 0.500m long is applied to a nut with a force of 80.0 N.
A ball is thrown vertically at 19.6m/s. Ignoring air resistance, how long will the ball be in the air before returning to its initial height
Consider the Hydrogen atom with its electron in the 1s ground state. What is the probability of finding the electron between 1.1 a0 and 2.7 a0 distances from the proton
The projection lens in a certain slide projector is a single thin lens. A slide 23.6 mm high is to be projected so that its image fills a screen 1.87 m high. Determine the focal length of the projec
If your plane flies 100km/s west relative to the ground, and another plane flies 75km/s north relative to the ground
A typical human eye is nearly spherical and usually about 2.5 cm in diameter. Find the approximate size of each image (coin and friend) on her retina
A cannonball is fired horizontally at 200m/s off the top of a 50m tall cliff. how far will the ball land from the cliff bottom
A bottle has a mass of 27.00g when empty and 93.90g when filled with water. What is the specific gravity of this other fluid