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A baseball (mass 0.14 kg, radius 3.7 cm) is spinning with an angular velocity of 45 rad/s. If the baseball has a linear speed of 38 m/s, what is the ratio of its rotational and translational kinetic energies?
An alpha particle and beta^ {-} particle, each with kinetic energy 35 {rm keV}, are sent through a 1.10 {rm T} magnetic field. The particles move perpendicular to the field. Find the curvature radius for alpha particle's trajectory. Hint: The kine..
question1hold switch closed. place a magnetic field sensor between the turns of the slinky by its center. rotate the
The suspension system of your 1200 kg car has a natural oscillation frequency of 2:00 Hz without functioning shock absorbers, At what speed are you driving
A hockey player uses her hockey stick to exert a force of 1.78 N on a stationary hockey puck. What is the acceleration of the hockey puck
q1. two point charges q1 -10.0 nc and q2 20.0 nc are 15 cm apart on the x-axis. what is an electric potential at the
Find out the speed of a 56.7 kg thrill seeker at the bottom of the slide, assume no friction. If the thrill seeker has a speed of 24.1 m/s at the bottom, find out the change in mechanical energy due to friction.
A quarterback makes a pass, throwing the ball at 22 m/s and an angle of 63° above the horizontal. What is the maximum height of the ball in flight
A laser used in a holography experiment has an average output power of 4.93 mW. Calculate the energy (in joules) radiated with each pulse
In an experiment conducted at room temperature, a current of 0.820 flows through a wire 2.86 in diameter. Find the magnitude of the electric field in the wire if the wire is made of tungsten
An electron with kinetic energy of 6.0 x 10-16 J is moving to the right along the axis of a cathode-ray tube. There is an electric field vector = (2.0 x 104 N/C) j in the region between the deflection plates.
When a 9.0 V battery is connected to a capacitor, it puts 8.00e-4 C of charge on the capacitor. What is the unknown battery's voltage
A weightlifter's barbell consists of two 15-kg masses on the ends of a 20-kg rod 1.6 m long. find the magnitude of the barbell's angular momentum
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