The Kingda Ka roller coaster in New Jersey is the world's tallest ride of its kind. As the passenger cars are launched from rest at the start, they are accelerated uniformly to a speed of 57 m/s (128 mph) in just 3.5 s. (Assume the cars are launched in the positive horizontal direction. Indicate the direction with the sign of your answer where appropriate.) (a) What is the acceleration experienced by passengers on this ride in m/s²? m/s2 What is the acceleration experienced by passengers on this ride in g's? (b) If a certain passenger has a mass of 75 kg, what is the force in newtons that acts on him during the launch phase of this ride? What is the force in pounds that acts on him during the launch phase of this ride? Ib

The Kingda Ka roller coaster in New Jersey is the world's tallest ride of its kind. As the passenger cars are launched from rest at the start, they are accelerated uniformly to a speed of 57 m/s (128 mph) in just 3.5 s. (Assume the cars are launched in the positive horizontal direction. Indicate the direction with the sign of your answer where appropriate.) (a) What is the acceleration experienced by passengers on this ride in m/s²? m/s2 What is the acceleration experienced by passengers on this ride in g's? (b) If a certain passenger has a mass of 75 kg, what is the force in newtons that acts on him during the launch phase of this ride? What is the force in pounds that acts on him during the launch phase of this ride? Ib

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter2: Motion

Section: Chapter Questions

Problem GM

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The Kingda Ka roller coaster in New Jersey is the world's tallest ride of its kind. As the passenger cars are launched from rest at the start, they are accelerated uniformly to a speed of 57 m/s (128 mph) in just 3.5 s. (Assume the cars are launched in the positive horizontal direction. Indicate the direction with the sign of your answer where appropriate.) (a) What is the acceleration experienced by passengers on this ride in m/s? m/s? What is the acceleration experienced by passengers on this ride in g's? g (b) If a certain passenger has a mass of 61 kg, what is the force in newtons that acts on him during the launch phase of this ride? What is the force in pounds that acts on him during the launch phase of this ride? Ib
The Kingda Ka roller coaster in New Jersey is the world's tallest ride of its kind. As the passenger cars are launched from rest at the start, they are accelerated uniformly to a speed of 57 m/s (128 mph) in just 3.5 s. (Assume the cars are launched in the positive horizontal direction. Indicate the direction with the sign of your answer where appropriate.) (a) What is the acceleration experienced by passengers on this ride in m/s2? m/s2What is the acceleration experienced by passengers on this ride in g's? g(b) If a certain passenger has a mass of 60 kg, what is the force in newtons that acts on him during the launch phase of this ride? NWhat is the force in pounds that acts on him during the launch phase of this ride? lb
The Kingda Ka roller coaster in New Jersey is the world's tallest ride of its kind. As the passenger cars are launched from rest at the start, they are accelerated uniformly to a speed of 57 m/s(128 mph) in just 3.5 s. (Assume the cars are launched in the positive horizontal direction. Indicate the direction with the sign of your answer where appropriate.) (a) What is the acceleration experienced by passengers on this ride in m/s2? _____ m/s2 What is the acceleration experienced by passengers on this ride in g's? _____ g (b) If a certain passenger has a mass of 85 kg, what is the force in newtons that acts on him during the launch phase of this ride? ______ N What is the force in pounds that acts on him during the launch phase of this ride? ______ lb
An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a speed of 10.2 m/s in 4.80 s. (a) What is the magnitude and direction of the bird’s acceleration? (b) Assuming that the acceleration remains the same, what is the bird’s velocity after an additional 1.40 s has elapsed?
A person hits a trampoline while moving downward with a speed of 4 m/s and rebounds a short time later with roughly the same speed upward. If the person is in contact with the trampoline for about 1.8 s, what are the magnitude and direction of the person’s average acceleration during this time interval? (Hint: You can ignore the effects due to gravity.) (Round the answer to one decimal place.) The magnitude is ____ m/s2. The direction is ________( Choose One upward, downward, to the right, to the left)
An unidentified flying object (UFO) is observed to travel a total distance of 49000 m, starting and ending at rest, over a duration of 3.07 s. Assuming the UFO accelerated at a constant rate to the midpoint of its journey and then decelerated at a constant rate the rest of the way, what was the magnitude of its acceleration? Express your answer in g s , where 1 g = 9.81 m/s^2. 20,796 g s 10,398 g s 2,120 g s 1,060 g s
An unidentified flying object (UFO) is observed to travel a total distance of 19000 m, starting and ending at rest, over a duration of 4.23 s. Assuming the UFO accelerated at a constant rate to the midpoint of its journey and then decelerated at a constant rate the rest of the way, what was the magnitude of its acceleration? Express your answer in g s , where 1 g = 9.81 m/s^2.
The infamous chicken is dashing toward home plate with a speed of 5.7 m/s when he decides to hit the dirt. The chicken slides for 1.2 s, just reaching the plate as he stops (safe, of course). (a) What are the magnitude and direction of the chicken’s acceleration? (b) How far did the chicken slide?
An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a speed of 9.60 m/s in 3.90 s. (a) What is the magnitude and direction of the bird's acceleration? (b) Assuming that the acceleration remains the same, what is the bird's velocity after an additional 1.20 s has elapsed? (a) Number i 0.87 (b) Number 8.56 Units m/s^2 Units m/s +
A cyclist rides 5.4 km east for 18 minutes, then he turns and heads west for 7 minutes and 2.1 km. Finally, he rides east for 11.4 km, which takes 38 minutes. (Assume motion toward the east is positive. Indicate the direction with the signs of your answers.) (a) What is the final displacement of the cyclist (in km)? km (b) What is his average velocity (in km/h)? km/h
A sports car driver turned his car 15.0 km [E 30.0° N], and then turned again 30.0 km [W 45.0° N] to get back on track. If the diversion lasted a total of 2.00 minutes, what was the average velocity of the car, in m/s? Include diagrams to help you solve the question.
Over a time interval of 1.52 years, the velocity of a planet orbiting a distant star reverses direction, changing from +20.5 km/s to -15.8 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s²) during this interval. Include the correct algebraic sign with your answers to convey the directions of the velocity and the acceleration. (a) Number i (b) Number i Units Units