A 2kg ball moves in a circle of radius 10m. It makes 20 revolutions every 4 seconds. What is the... (a) Frequency? (b) Period? (c) Centripetal Acceleration? (d) Centripetal Force? (e) Speed? [10] The mass of the Earth and Moon are 5:98 1024 kg and 7:35 1022 kg respectively. The radius of the Earth and Moon are 6:38 10ºm and 1:74 10°m respectively. Calculate the acceleration due to gravity at the surface of the Earth and Moon. What is the gravitational acceleration 4000km
A 2kg ball moves in a circle of radius 10m. It makes 20 revolutions every 4 seconds. What is the... (a) Frequency? (b) Period? (c) Centripetal Acceleration? (d) Centripetal Force? (e) Speed? [10] The mass of the Earth and Moon are 5:98 1024 kg and 7:35 1022 kg respectively. The radius of the Earth and Moon are 6:38 10ºm and 1:74 10°m respectively. Calculate the acceleration due to gravity at the surface of the Earth and Moon. What is the gravitational acceleration 4000km
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter7: Rotational Motion And The Law Of Gravity
Section: Chapter Questions
Problem 11WUE: What is the gravitational acceleration close to the surface of a planet with a mass of 2ME and...
Related questions
Question
![1. A 2kg ball moves in a circle of radius 10m. It makes 20 revolutions every 4 seconds.
What is the...
(a) Frequency?
(b) Period?
(c) Centripetal Acceleration?
(d) Centripetal Force?
(e) Speed?
[10]
2. The mass of the Earth and Moon are 5:98 1024kg and 7:35 1022 kg respectively. The radius of
the Earth and Moon are 6:38 10ºm and 1:74 10°m respectively. Calculate the acceleration due
to gravity at the surface of the Earth and Moon. What is the gravitational acceleration 4000km
above Earth's surface?
[5]
3. (a) A car goes around a curve at 20.0 m/s. If the radius of the curve is 50.0 m, what is the
centripetal acceleration of the car?
[3]
(b) If the speed of the car were halved, how much di erent would ac be to travel the same radius
curve?
[2]
4. Calculate the centripetal acceleration of the Earth towards the Sun. (r = 1:5x10¹1 m)
[5]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff5ca80c2-77c7-4d44-9088-2b37a36308d9%2F3b159161-3a42-49b4-b59a-150bc159c4a4%2Fr8urzcu_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. A 2kg ball moves in a circle of radius 10m. It makes 20 revolutions every 4 seconds.
What is the...
(a) Frequency?
(b) Period?
(c) Centripetal Acceleration?
(d) Centripetal Force?
(e) Speed?
[10]
2. The mass of the Earth and Moon are 5:98 1024kg and 7:35 1022 kg respectively. The radius of
the Earth and Moon are 6:38 10ºm and 1:74 10°m respectively. Calculate the acceleration due
to gravity at the surface of the Earth and Moon. What is the gravitational acceleration 4000km
above Earth's surface?
[5]
3. (a) A car goes around a curve at 20.0 m/s. If the radius of the curve is 50.0 m, what is the
centripetal acceleration of the car?
[3]
(b) If the speed of the car were halved, how much di erent would ac be to travel the same radius
curve?
[2]
4. Calculate the centripetal acceleration of the Earth towards the Sun. (r = 1:5x10¹1 m)
[5]
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