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Two football players are moving toward each other in a straight line. Number 56 has a mass of 109 kg and a velocity of 2 m/s (in the positivex-direction). Number 22 has a mass of 121 kg and a velocity of 3 m/s (in the negativex-direction). The two players jump into the air and collideperfectly inelastically (they stick together afterwards). Determine the velocity (magnitude and direction) of players, after the collision, before they hit the ground
A laser beam is incident at an angle of 30.8° to the vertical onto a solution of corn syrup in water. If the beam is refracted to 19.18° to the vertical, what is the index of refraction of the syrup solution
Explain what methods are used to analyze behavior of slits when exposed to a point light source
the work function for cesium 1.81 ev is much lower than the work function for other metals.a what is the photoelectric
a mass M is hanging from two strings. There is a tension of 34 N in the string on the left and a tension of 24 N in the string on the right. How heavy is the object
A piece of putty of mass m = 0.75 kg and velocity v = 2.5 m/s moves on a horizontal frictionless surface. It collides with and sticks to a rod of mass M = 2.0 kg and length L = 0.9 m which pivots about a fixed vertical axis at the opposite end of ..
a subway train starts from rest at a station and accelerates at a rate of for 14.0 . it runs at constant speed for 70.0
a 30 kg crate is pulled across a flat floor with 80 n of force. the coefficient of kinetic friction between the crate
a spring is connected on one end to a wall and the other is free to be compressed. the spring constant is 25 ncm for
a point charge of -1.5 c is located at the origin. a second point charge of 10 c is at x 1 m y 0.5 m. find the x and
Two tiny spheres have the same mass and carry charges of the same magnitude. The mass of each sphere is 5.04 10-6 kg. Determine the charge magnitude
A 5.6 MeV (kinetic energy) proton enters a 0.16 T field, in a plane perpendicular to the field. Evaluate what is the radius of its path
A Young's double-slit experiment is performed using light that has a wavelength of 638 nm, Calculate the angle that locates the first-order bright fringes on the screen
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