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A school bus heading east through a small town accelerates as it passes the sign post at s = 0. Marking the city limits. Its acceleration is constant 5 m/s^2 at time 0; it is 5 m east of the (+) sign post and has a velocity of 3 m/s.
(A) Find his position and velocity at 2 seconds.
(B) Where is it when its velocity is 5 m/s.
The Earth is constantly being bombarded by cosmic rays, which consist mostly of protons. What is the total charge incident on the atmosphere
A mass of 0.5 kg is suspended from a spring, which stretches by 8 cm. The support from which the spring is suspended is set into sinusoidal motion. At what frequehcy would you expect resonant behavior?
Three charged particles are arranged into a triangle. The charge on the particle located (4.0cm, 3.0cm) is 5nC. The charge on the particle at the origin is -3nC, and the change on the particle located at (4.0cm, 0cm) is +6nC. Determine the magnitu..
Block B in the figure weighs 760 N. The coefficient of static friction between block and table is 0.28; angle ? is 27°; Find the maximum weight of block A for which the system will be stationary
The photoelectric threshold wavelength of a tungsten surface is 272. Calculate the maximum kinetic energy (in ) of the electrons
A proton moves at a speed of 1155 m/s in a direction perpendicular to amagnetic field with a magnitude of 0.74 T. What is the magnitude of the magnetic force on the proton?
A uniform chain of total mass m is laid out straight on a frictionless table and held stationary so that one-quarter of its length, L = 2.85 m, Determine the speed of the chain
A proton in the upper atmosphere moves at 9.8×105m/s , perpendicular to Earth's magnetic field, Find the curvature radius of the proton's trajectory
A 0.028g plastic bead hangs from a lightweight thread. Another bead is fixed in position beneath the point where the thread is tied. If both beads have the same positive charge q, the moveable bead swings out to the position shown in (Figure 1). The ..
An airplane pilot fell 355 m after jumping from an aircraft without his parachute opening. He landed in a snowbank, creating a crater 1.3 m deep, Estimate the work done by the snow in bringing him to rest
A pitcher claims he can throw a 0.150 kilogram baseball with as much momentum as a 1.60 gram bullet moving with a speed of 1.50 x 103 meter per second. Obtain what must the baseball speed be if the pitcher's claim is valid
An open-open organ pipe is 84.2 cm long. An open-closed pipe has a fundamental frequency equal to the third harmonic of the open-open pipe. How long is the open-closed pipe
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