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A 5.40 kilogram ball, moving to the right at a velocity of +2.35 meter per second on a frictionless table, collides head-on with a stationary 7.45 kilogram ball. Determine the final velocities of the balls if the collision meets the following conditions.
(a) elastic
(b) completely inelastic.
The masses of the javelin, discus, and shot are 0.80 kg, 2.0 kg, and 7.2 kg, respectively, and record throws in the corresponding track events are about 89 m, 69 m, and 21 m, respectively. Neglecting air resistance, (a) calculate the minimum initi..
an object is pulled west along a horizontal frictionless surface with a steady horizontal force of 12.0 n. if the
Doug hits a hockey puck, giving it an initial velcoity of 6.0 m/s. how far will the puck slide before stopping
The yellow light from a helium discharge tube has a wavelength of 587.5 nm. Calculate the number of lines per centimeter on the grating
A window washer pulls herself upward using the bucket-pulley apparatus shown in Fig. 4-42. The mass of the person plus the bucket is 60 kg. (a) How hard must she pull downward to raise herself slowly at constant speed? If she increases this force by ..
A storage tank 30 m high is filled with gasoline. Calculate the force that acts on a square access hatch at the bottom of the tank that measures 0.5m by 0.5m
A 3000 Newton motorcycle moving at 12.0 m/s comes uniformly to a stop while skidding a distance of 25.0 meter. Evaluate what is the coefficient of kinetic friction
A stone is thrown horizontally at 45.0 m/s from the top of a very tall cliff. Calculate its horizontal position and vertical position at 2.00 m intervals for the first 10.0 m
a diffraction pattern forms when light passes through a single slit. the wavelength of the light is 665 nm. determine
A solid, horizontal cylinder of mass 9.0 kg and radius 1.30 m rotates with an angular speed of 8.00 rad/s about a fixed vertical axis through its center. Determine the final angular speed of the system
treat a planet as a uniform density sphere of mass m radius r and rotation period t. a large asteroid of mass am is
Water is flowing in a pipe with a varying cross-sectional area, and at all points the water completely fills the pipe. What is the fluid speed at points in the pipe where the cross-sectional area is 4.90×10^?2m^2
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