Physics for Scientists and Engineers (AP Edition)
9th Edition
ISBN: 9781133953951
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 4, Problem 4.60AP
A basketball player is standing on the floor 10.0 m from the basket as in Figure P4.60. The height of the basket is 3.05 m, and he shoots the ball at a 40.0° angle with the horizontal from a height of 2.00 m. (a) What is the acceleration of the basketball at the highest point in its trajectory? (b) At what speed must the player throw the basketball so that the ball goes through the hoop without striking the backboard?
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While cruising down University Boulevard you are stopped by a cop who states that you ran a red traffic light. Because you don't
want to pay the stiff fine, you are attempting a physics defense. You claim that due to the relativistic Doppler effect, the red color of
the light λ=616 nm appeared green '=531 nm to you. The cop makes a quick calculation of his own and rejects your defense.
How fast, in terms of your speed u divided by the speed of light in vacuum c, would you have to drive to justify your claim? Note
that the speed u is taken to be a positive quantity.
U 4.0
C
220 V is supplied to 800 primary turns of an autotransformer. What will the outputvoltage be across 200 secondary turns?
2. A filament transformer has a turns ratio of 1:20. What current must be supplied to theprimary windings if 5 A is required by the filament?
3. The filament transformer in the previous question is supplied with 150 V to theprimary side. What is the secondary voltage?
4. 440 V is supplied to 1000 primary turns of an autotransformer. If the desired outputvoltage is 100 V how many secondary turns must be tapped?
Chapter 4 Solutions
Physics for Scientists and Engineers (AP Edition)
Ch. 4 - Consider the following controls in an automobile...Ch. 4 - (i) As a projectile thrown at an upward angle...Ch. 4 - Rank the launch angles for the five paths in...Ch. 4 - A particle moves in a circular path of radius r...Ch. 4 - A particle moves along a path, and its speed...Ch. 4 - Figure OQ4.1 shows a bird's-eye view of a car...Ch. 4 - Entering his dorm room, a student tosses his book...Ch. 4 - A student throws a heavy red ball horizontally...Ch. 4 - A projectile is launched on the Earth with a...Ch. 4 - Does a car moving around a circular track with...
Ch. 4 - An astronaut hits a golf ball on the Moon. Which...Ch. 4 - A projectile is launched on the Earth with a...Ch. 4 - A girl, moving at 8 m/s on in-line skates, is...Ch. 4 - A sailor drops a wrench front the top of a...Ch. 4 - A baseball is thrown from the outfield toward the...Ch. 4 - Prob. 4.11OQCh. 4 - Prob. 4.12OQCh. 4 - In which of the following situations is the moving...Ch. 4 - Prob. 4.1CQCh. 4 - Ail ice skater is executing a figure eight,...Ch. 4 - If you know the position vectors of a particle at...Ch. 4 - Describe how a driver can steer a car traveling at...Ch. 4 - Prob. 4.5CQCh. 4 - Prob. 4.6CQCh. 4 - Explain whether or not the following particles...Ch. 4 - A motorist drives south at 20.0 m/s for 3.00 min,...Ch. 4 - When the Sun is directly overhead, a hawk dives...Ch. 4 - Suppose the position vector for a particle is...Ch. 4 - The coordinates of an object moving in the xy...Ch. 4 - A golf ball is hit off a tee at the edge of a...Ch. 4 - A particle initially located at the origin has an...Ch. 4 - The vector position of a particle varies in time...Ch. 4 - It is not possible to see very small objects, such...Ch. 4 - A fish swimming in a horizontal plane has velocity...Ch. 4 - Review. A snowmobile is originally at the point...Ch. 4 - Mayan kings and many school sports teams are named...Ch. 4 - An astronaut on a strange planet finds that she...Ch. 4 - In a local bar, a customer slides an empty beer...Ch. 4 - In a local bar. a customer slides an empty beer...Ch. 4 - A projectile is fired in such a way that its...Ch. 4 - To start an avalanche on a mountain slope, an...Ch. 4 - Chinook salmon are able to move through water...Ch. 4 - A rock is thrown upward from level ground in such...Ch. 4 - The speed of a projectile when it reaches its...Ch. 4 - A ball is tossed from an upper-story window of a...Ch. 4 - A firefighter, a distance d from a burning...Ch. 4 - A landscape architect is planning an artificial...Ch. 4 - A placekicker must kick a football from a point...Ch. 4 - A basketball star covers 2.80 m horizontally in a...Ch. 4 - A playground is on the flat roof of a city school,...Ch. 4 - The motion of a human body through space can be...Ch. 4 - A soccer player kicks a rock horizontally off a...Ch. 4 - A projectile is fired from the top of a cliff of...Ch. 4 - A student stands at the edge of a cliff and throws...Ch. 4 - The record distance in the sport of throwing...Ch. 4 - A boy stands on a diving board and tosses a stone...Ch. 4 - A home run is hit in such a way that the baseball...Ch. 4 - The athlete shown in Figure P4.21 rotates a...Ch. 4 - In Example 4.6, we found the centripetal...Ch. 4 - Casting molten metal is important in many...Ch. 4 - A tire 0.500 m in radius rotates at a constant...Ch. 4 - Review. The 20-g centrifuge at NASAs Ames Research...Ch. 4 - An athlete swings a ball, connected to the end of...Ch. 4 - The astronaut orbiting the Earth in Figure P4.19...Ch. 4 - Section 4.5 Tangential and Radial Acceleration...Ch. 4 - A train slows down as it rounds a sharp horizontal...Ch. 4 - A ball swings counterclockwise in a vertical...Ch. 4 - (a) Can a particle moving with instantaneous speed...Ch. 4 - The pilot of an airplane notes that the compass...Ch. 4 - An airplane maintains a speed of 630 km/h relative...Ch. 4 - A moving beltway at an airport has a speed 1 and a...Ch. 4 - A police car traveling at 95.0 km/h is traveling...Ch. 4 - A car travels due east with a speed of 50.0 km/h....Ch. 4 - A bolt drops from the ceiling of a moving train...Ch. 4 - A river has a steady speed of 0.500 m/s. A student...Ch. 4 - A river flows with a steady speed v. A student...Ch. 4 - A Coast Guard cutter detects an unidentified ship...Ch. 4 - A science student is riding on a flatcar of a...Ch. 4 - A farm truck moves due east with a constant...Ch. 4 - A ball on the end of a string is whirled around in...Ch. 4 - A ball is thrown with an initial speed i at an...Ch. 4 - Why is the following situation impassible? A...Ch. 4 - A particle starts from the origin with velocity...Ch. 4 - The Vomit Comet. In microgravity astronaut...Ch. 4 - A basketball player is standing on the floor 10.0...Ch. 4 - Lisa in her Lamborghini accelerates at...Ch. 4 - A boy throws a stone horizontally from the top of...Ch. 4 - A flea is at point on a horizontal turntable,...Ch. 4 - Towns A and B in Figure P4.64 are 80.0 km apart. A...Ch. 4 - A catapult launches a rocket at an angle of 53.0...Ch. 4 - A cannon with a muzzle speed of 1 000 m/s is used...Ch. 4 - Why is the following situation impossible? Albert...Ch. 4 - As some molten metal splashes, one droplet flies...Ch. 4 - An astronaut on the surface of the Moon fires a...Ch. 4 - A pendulum with a cord of length r = 1.00 m swings...Ch. 4 - A hawk is flying horizontally at 10.0 m/s in a...Ch. 4 - A projectile is launched from the point (x = 0, y...Ch. 4 - A spring cannon is located at the edge of a table...Ch. 4 - An outfielder throws a baseball to his catcher in...Ch. 4 - A World War II bomber flies horizontally over...Ch. 4 - A truck loaded with cannonball watermelons stops...Ch. 4 - A car is parked on a steep incline, making an...Ch. 4 - An aging coyote cannot run fast enough to catch a...Ch. 4 - A fisherman sets out upstream on a river. His...Ch. 4 - Do not hurt yourself; do not strike your hand...Ch. 4 - A skier leaves the ramp of a ski jump with a...Ch. 4 - Two swimmers, Chris and Sarah, start together at...Ch. 4 - The water in a river flows uniformly at a constant...Ch. 4 - A person standing at the top of a hemispherical...Ch. 4 - A dive-bomber has a velocity or 280 m/s at ail...Ch. 4 - A projectile is fired up an incline (incline angle...Ch. 4 - A fireworks rocket explodes at height h, the peak...Ch. 4 - In the What If? section of Example 4.5, it was...Ch. 4 - An enemy ship is on the east side of a mountain...
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