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You shoot a ball of mass 50g into a pendulum arm of mass 200g, whose center of mass rises 15cm. Calculate the initial velocity of ball.
A string on a musical instrument vibrates in its fundamental mode with nodes on either end. The length of the vibrating segment is 0.39 m. The maximum transverse velocity at a point in the middle of the string is 3.8 m/s and the maximum transverse ac..
Calculate a realistic estimate for the temperature at the surface of Neptune using the black body radiation formula. Use thefollowing facts. Radius: 24746 km. Distance from sun:4460000000 km.The remaining needed data are available in Lecture 1. Tempe..
A 4.00-g bullet is moving horizontally with a velocity of +355 m/s, where + sign indicates that it is moving to the right. The bullet is approching two blocks resting on a horzizonta frictionless surface.
q1. consider a too-small space station that consists of a 3.1 m radius rotating sphere. a man standing inside is 2.0 m
The index of refraction of silicate flint glass for red light is 1.620 and for violet light is 1.660. What is the angular separation between the red and violet components of the spectrum that emerges from the glass
In outer space, a constant net force of magnitude 140N is exerted on a 30.4kg probe initially at rest. What acceleration does this force produce in m/s2
The punter on a football team tries to kick a football so that it stays in the air for a long "hang time". If the ball is kicked with an initial velocity of 25.0 m/s at an angle of 60.0 degrees above the ground, illustrate what is the "hang time"?
A 40-g block of ice is cooled to ?70°C and is then added to 590 g of water in an 80-g copper calorimeter at a temperature of 22°C. Determine the final temperature of the system consisting of the ice, water, and calorimeter.
The men's world record for the shot put, 23.12m, was set by Randy Barnes of the United States on May 20, 1990. If the shot was launched from 6 f above the ground at an initial angle of 42 degrees, what was its initial speed.
Review Interactive Solution 4.41 in preparation for this problem. A 90.0-kg baseball player slides into second base. What is the magnitude of the frictional force
A uniform cylinder of radius 11.8 cm and mass 28.1 kg is mounted so as to rotate freely about a horizontal axis that is parallel to and 5.90 cm from the central longitudinal axis of the cylinder. calculate what is the angular speed of the cylinder
An electron experiences the greatest force as it travels 1.02*10^6 m/s in a magnetic field when it is moving horizontally. The force is upward and of magnitude 1.75*10^-12 N. What is the magnitude of the magnetic field?
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