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A 0.145-kg baseball pitched at 37.0 m/s is hit on a horizontal line drive straight back toward the pitcher at 50.5 m/s . If the contact time between bat and ball is 3.20×10?3 , calculate the average force between the ball and bat during cont
What is the electron configuration for Ce? Is this what you would expect due to the fact that the 4f subshell is more energetic than the 6s subshell?
Just as an empty box car passes him, the fugitive starts from rest and accelerates at a = 3.5 m/s^2 to his maximum speed of 8 m/s. (a) How long does it take him to catch up to the empty box car?
What is the initial speed of the ball? How high is the ball above the floor when its velocity vector makes a 48.5o angle with the horizontal?
A myopic student is shaving without his glasses. If his eyes have afar point of 1.5m what is the greatest distance he can stand from the mirror and still see his image clearly?
Starting at the origin, going clockwise, the particles have masses 2.3 kg, 1.4 kg, 3.7 kg, and 2.9 kg. What is the location of the center of mass of the system of particles?
A proton moves through a magnetic field at 29.9% of the speed of light. At a location where the field has a magnitude of 0.00617 T and the proton's velocity makes an angle of 151° with the field, what is the magnitude of the magnetic force act
The net electric flux through a sphere of radius R = 2 m is 15,000 Nm2/C. What is the net charge inside the sphere?
Calculate the electric field at the center of a square 50.6 cm on a side, if one corner is occupied by a +43.0 µC charge and the other three are occupied by -25.0 µC charges. (Assume the center of the square is at the origin and the po
The speed of light in a material is 0.50 c. What is the critical angle of a light ray at the interface between the material and a vacuum?
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