Angle and rebounds with the same speed
A tennis ball of mass 8.0×10-2 {rm kg} and speed 33 {rm m/s} strikes a wall at a 45 ^circ angle and rebounds with the same speed at 45 ^circ.
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A 5.00-kg ball, moving to the right at a velocity of +2.00 m/s on a frictionless table, collides head-on with a stationary 7.50-kg ball. Find the final velocities of the balls if the collision is (a) elastic and (b) completely inelastic.
A student drops a ball from a height of 15.6 m and measures the time it takes to hit the ground as 1.81 s. In calculating the gravitational acceleration g (in order to compare to its theoretical value 9.8 m/s^2, which of the following is correct?
Discuss the importance of listening. In your opinion, has our fast paced society impacted our ability to listen? Explain and support your answer.
A submarine is 325 m horizontally out from the shore and 115 m beneath the surface of the water. A laser beam is sent from the submarine so that it strikes the shore. If the beam strikes the top of a building standing directly at the water's edge,
A U-shaped tube is partly filled water and partly filled liquid that does not mix water. Both sides of the tube are open to the atmosphere. What is the density of the liquid?
What is the frequency of sound waves with a with a wavelength of 60 m traveling in air at a speed of 380 m/s?
What steps do you think Samuel Adams and Thomas Hutchinson took toward becoming individuals and which steps ultimately made them such important historical figures?
How do you plan to move yourself from your current stage of development in critical thinking to the stage of master thinker?
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Marvin and Sylvia have been married for 20 years and are undergoing couples therapy. They hope that this will enable them to Question options
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Your exploration of the customs of shaking hands and using "please" and "thank you" beautifully illustrates Skinner's concept of social-physical contingencies
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