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A pitching machine shoots a baseball with a speed of 70 mph and a rotation of 300 rpm clockwise. Knowing there is no slipping between the wheels and the baseball, determine the angular velocities of wheels A and B. (Diameter of A and B is 7 inches, separated by 3 inches for the baseball).
a 2021-kg car is moving down a road with a slope grade of 13 while slowing down at a rate of 3.4 ms2. what is the
A proton moves at 1.0x10^7 m/s perpendicularly to a uniform magnetic field. It experiences an acceleration of 2.0x 10^13 m/s^2 in the +x direction when its velocity is in the +z direction. Determine the magnitude and direction of the field.
An asteroid is discovered heading straight toward Earth at 12km/s. An international team manages to attach a giant rocket engineto the asteroid. The rocket fires for 10 min, after which theasteroid is moving at 25 degrees to its original path at a..
A 52.0-kg projectile is fired at an angle of 30.0 degrees above the horizontal with an initial speed of 1.24 x 102 m/s from the top of a cliff 150 m above level ground, where the ground is taken to be y = 0. What is the initial total mechanical ene..
The dummy in a crash test has a head of mass 3 kg. The dummy is strapped in firmly so that the body does not move. The car's forward speed changes from 24 m/s to zero in 0.23 s.
A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 0.0078 m/s2 less than that at sea level. Determine what is the observatorys altitude
Assess the extent to which bad road use
Consider a system of three noninteracting identical bosons that move in a common external one dimensional harmonic oscillator potential. Find the energy levels and wave functions of the ground state, first excited state, and second excited state of t..
questiona place kicker must kick a football from a point 25.0 m 27.3 yd from the goal and the ball has to clear the
A NASA satellite has just observed an asteroid that is on a collision course with the Earth. With what speed will it hit the Earth's surface
A proton, an electron, and an alpha particle (of charge +2e) form an equilateral triangle of side length 2.19×10-10 m. What is the electric potential energy of the three-particle system
Describe all the boundary conditions and derive the governing equations and obtain the mathematical expressions for the local temperature.
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