PHYS FOR SCI+ENGR V1 W/CODE&WKBK
4th Edition
ISBN: 9780134583334
Author: Knight
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 8, Problem 25EAP
A 500 g ball moves in a vertical circle on a 102-cm-long string. If the speed at the top is 4.0 m/s, then the speed at the bottom will be 7.5 m/s. (You'll learn how to show this in Chapter 10.)
a. What is the gravitational force acting on the ball?
b. What is the tension in the string when the ball is at the top?
c. What is the tension in the string when the ball is at the bottom?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
On July 15, 2004, NASA launched the Aura spacecraft to study the earth’s climate and atmosphere. This satellite was injected into an orbit 705 km above the earth’s surface. Assume a circular orbit. (a) How many hours does it take this satellite to make one orbit? (b) How fast (in ) is the Aura spacecraft moving?
A 0.6 kg ball moves in a vertical circle on a 1m long string. If the speed at the top is 3.80 m/s, then the speed at the bottom will be 7.53 m/s.
(a)What is the tension in the string when the ball is at the top?
(b)What is the tension in the string when the ball is at the bottom
A 200 g ball moves in a vertical circle on a 1.08 mm -long string. If the speed at the top is 4.30 m/s , then the speed at the bottom will be 7.80 m/s.
What is the ball's weight?
What is the tension in the string when the ball is at the top
What is the tension in the string when the ball is at the bottom?
Chapter 8 Solutions
PHYS FOR SCI+ENGR V1 W/CODE&WKBK
Ch. 8 - In uniform circular motion, which of the following...Ch. 8 - A car runs out of gas while driving down a hill....Ch. 8 - FIGURE Q8.3 is a bird's-eye view of particles on...Ch. 8 - Tarzan swings through the jungle on a massless...Ch. 8 - FIGURE Q8.5 shows two balls of equal mass moving...Ch. 8 - Ramon and Sally are observing a toy car speed up...Ch. 8 - A jet plane is flying on a level course at...Ch. 8 - A small projectile is launched parallel to the...Ch. 8 - 9. You can swing a ball on a string in a vertical...Ch. 8 - A golfer starts with the club over her head and...
Ch. 8 - As a science fair project, you want to launch an...Ch. 8 - A 500 g model rocket is on a cart that is rolling...Ch. 8 - A 4.0 × 1010 kg asteroid is heading directly...Ch. 8 - A 55 kg astronaut who weighs 180 N on a distant...Ch. 8 - A 1500 kg car drives around a flat 200-m-diameter...Ch. 8 - A 1500 kg car takes a 50-m-radius unbanked curve...Ch. 8 - A 200 g block on a 50-cm-long string swings in a...Ch. 8 - In the Bohr model of the hydrogen atom, an...Ch. 8 - Suppose the moon were held in its orbit not by...Ch. 8 - 10. A highway curve of radius 500 m is designed...Ch. 8 - It is proposed that future space stations create...Ch. 8 - A 5.0 g coin is placed 15 cm from the center of a...Ch. 8 - Mass m1on the frictionless table of FIGURE EX8.13...Ch. 8 - A satellite orbiting the moon very near the...Ch. 8 - What is free-fall acceleration toward the sun at...Ch. 8 - 16. A 9.4 × 1021 kg moon orbits a distant planet...Ch. 8 - Communications satellites are placed in circular...Ch. 8 - A car drives over the top of a hill that has a...Ch. 8 - The weight of passengers on a roller coaster...Ch. 8 - A roller coaster car crosses the top of a circular...Ch. 8 - The normal force equals the magnitude of the...Ch. 8 - A student has 65-cm-long arms. What is the minimum...Ch. 8 - While at the county fair, you decide to ride the...Ch. 8 - A 500 g ball swings in a vertical circle at the...Ch. 8 - A 500 g ball moves in a vertical circle on a...Ch. 8 - A heavy ball with a weight of 100 N (m = 10.2 kg)...Ch. 8 - A toy train rolls around a horizontal...Ch. 8 - 28. A new car is tested on a 200-m-diameter track....Ch. 8 - An 85,000 kg stunt plane performs a loop-the-loop,...Ch. 8 - Three cars are driving at 25 m/s along the road...Ch. 8 - Derive Equations 8.3 for the acceleration of a...Ch. 8 - 32. A 100 g bead slides along a frictionless wire...Ch. 8 - 33. Space scientists have a large test chamber...Ch. 8 - 34. A 5000 kg interceptor rocket is launched at an...Ch. 8 - Prob. 35EAPCh. 8 - 36. A rocket- powered hockey puck has a thrust of...Ch. 8 - Prob. 37EAPCh. 8 - A 2.0 kg projectile with initial velocity m/s...Ch. 8 - A 75 kg man weighs himself at the north pole and...Ch. 8 - A concrete highway curve of radius 70 m banked at...Ch. 8 - a. an object of mass m swings in horizontal circle...Ch. 8 -
42. You’ve taken your neighbor’s young child to...Ch. 8 - A 4.4-cm-diameter, 24 g plastic ball is attached...Ch. 8 - A charged particle of mass m moving with speed v...Ch. 8 - Two wires are tied to the 2.0 kg sphere shown in...Ch. 8 - Two wires are tied to the 300 g sphere shown in...Ch. 8 - A conical pendulum is formed by attaching a ball...Ch. 8 - The 10 mg bead in FIGURE P8.48 is free to slide on...Ch. 8 - In an old-fashioned amusement park ride,...Ch. 8 - The ultracentrifuge is an important tool for...Ch. 8 - In an amusement park ride called The Roundup,...Ch. 8 - 52. Suppose you swing a ball of mass m in a...Ch. 8 - A 30 g ball rolls around a 40-cm-diameter L-shaped...Ch. 8 - FIGURE P8.54 shows a small block of mass m sliding...Ch. 8 - The physics of circular motion sets an upper limit...Ch. 8 - A 100 g ball on a 60-cm-long string is swung in a...Ch. 8 - A 60 g ball is tied to the end of a 50-cm-long...Ch. 8 - Elm Street has a pronounced dip at the bottom of a...Ch. 8 - 59. A 100 g ball on a 60-cm-long string is swung...Ch. 8 - Scientists design a new particle accelerator in...Ch. 8 - 61. A 1500 kg car starts from rest and drives...Ch. 8 - Prob. 62EAPCh. 8 - 63. A 2.0 kg ball swings in a vertical circle on...Ch. 8 - In Problems 64 and 65 you are given the equation...Ch. 8 - In Problems 64 and 65 you are given the equation...Ch. 8 - Sam (75 kg) takes off up a 50-m-high, 10°...Ch. 8 - In the absence of air resistance, a projectile...Ch. 8 - The father of Example 8.2 stands at the summit of...Ch. 8 - A small bead slides around a horizontal circle at...Ch. 8 - A 500 g steel block rotates on a steel table while...Ch. 8 - If a vertical cylinder of water (or any other...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- NASA IS EXPECTED TO SEND A 2600 KG SATELLITE 450 KM ABOVE THE EARTH'S SURFACE. A. WHAT IS ITS RADIUS? B. WHAT SPEED WILL IT HAVE? C. WHAT IS ITS ORBITAL PERIOD? D. WHAT IS ITS RADIAL ACCELERATION?arrow_forward1. nasa is expected to send a 2600-kg satellite 450 km above the earth's surface. (a) what is its radius? (b) what speed will it have? (hint earth's mass is 5.97 x 1024 kg)arrow_forwardAn astronaut with a mass of 100 kg is traveling in a space station moving in an Earth orbit. (A) What is the speed of the space station? (b) What is the weight of the astronaut?arrow_forward
- A satellite travels around Earth in uniform circular motion, at a height of 35,800 km above Earth's atoms. The satellite has a mass of 580 kg. a) what is the gravitational force exerted on the satellite by Earth? b) How fast must the satellite be moving to retain this orbit (relative to the center of Earth)arrow_forwardA 410 kg satellite is orbiting around the Earth at the height of 710 km as shown as in Figure 10. Given that the mass of the Earth is 5.97 × 1024 kg and its radius is 6.37 × 106 m. (a) What is the value of gravitational acceleration at the location of the satellite? (b) What is the period for the satellite orbiting the Earth?arrow_forwardA space shuttle is in a circular orbit 250 km above the surface of the earth. The shuttle’s mass is 75000 kg. a.What is the gravitational acceleration of earth at this orbit? b.What is the speed of the space shuttle at this orbit? c.If it needs to catch the Hubble Space Telescope for repairs, how much energy is required to boost it to the new orbit? Assume Hubble space telescope is at 550km above the surface of earth. Mass of earth: ??=?.??×??^??kgRadius of earth: ??=?.??×??^?m?=?.??×??^−???∙?^?/??^?arrow_forward
- A physics student ties a ball with a mass 0.30kg to a string which can exert a maximum force of 41 N without breaking. The student swings the ball in a circle with a radius of 0.91 m, slowly increasing the speed until the string breaks. The circle is oriented vertically so that the ball moves up and down while traveling in a circle. What is the speed of the ball as the string breaks?arrow_forwardThe Hubble Space Telescope orbits the surface of the Earth at an altitude of 568 km. (a) What is the orbital speed of the telescope? (b) What is the period of the telescope?arrow_forwardA small asteroid that has a mass of 100 kg is moving at 200 m/s when it is 1,550 km above the Moon. 1) How fast will the meteorite be traveling when it impacts the lunar surface if it is heading straight toward the center of the Moon? 2) How much work does the Moon do in stopping the asteroid if neither the Moon nor the asteroid heats up in the process?arrow_forward
- A parent holds their child’s hands and swings them around in a circle, The child is at a 42-degree angle with the vertical as they spin in the circle. The child has a mass of 17kg. What is the name of the centripetal force in this situation? (be specific! If it’s a component, make sure to mention that) What is the magnitude of the centripetal force? What is the total tension on the child? What is the centripetal acceleration of the child as they move in a circle? If the radius of the circle is 0.75m, what is the speed of the child as they are swung in a circle?arrow_forwardan object on earth's surface is about 782 km from its center and has a gravitational force of 84 units. Solve the following. a. At twice the distance, what is the gravitational force? b. At half the distance, what is the gravitational force?arrow_forwardThe “Screaming Swing” is a carnival ride that is—not surprisingly—a giant swing. It’s actually two swings moving in opposite directions. At the bottom of its arc, a rider in one swing is moving at 30 m/s with respect to the ground in a 50-m-diameter circle. The rider in the other swing is moving in a similarcircle at the same speed, but in the exact opposite direction.a. What is the acceleration, in m/s2 and in units of g, that riders experience?b. At the bottom of the ride, as they pass each other, how fast do the riders move with respect to each other?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Glencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-Hill
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
What Is Circular Motion? | Physics in Motion; Author: GPB Education;https://www.youtube.com/watch?v=1cL6pHmbQ2c;License: Standard YouTube License, CC-BY