fi A. TEKS and solve problems mathematically 3 (E) Express, manipulate and interpret relationships symbolically dance with and the gredic 4 (C) Analyze and describe accelerated motions is te doen, including using anos, graphical verwon, a projectile and circular examples. 4 (D) Calculate the effect of forces on objects, including the low of iner, and the nature of force pairs between objects ong ding wat die HE Quellten d 5 (B) describe and calculate how the magnitude of the news objects depends on their em and the distance between their centers Directions may be used during the problem bank quiz. Printed problem bank questions may not be used during Method skills sheet for a detailed explanation. All work is to be done on separate sheets of paper and the problem bank quiz. The problem bank quiz will not have questions over the Check for Complete each problem using the GUESS Method when Instructed. Refer to the GUESS Understanding. Check for Understanding the A toy cart on the end of a string 0.70 m long moves in a horizontal circle on a table. The cart has a mass of 2.0 kg, and the string has a breaking strength of 40 N. Calculate the maximum speed of the cart. (Use GUESS method.) Answer v = 3.74 m/s Updated: 11/1/2018 B. A 2.0 kg stone at the end of a string 1.0 m long is whirled in a vertical circle. The tension is the Sing is 52 N GUESS method.) Answer v = 4.02 m/s (Use C. A 4000 kg and an 8000 kg mass attract each other with a force of 2000 N. a) How much will a 4000 kg and a 16000 kg mass attract each other when placed the same distance apart? (GUESS method NOT required.) Answer F, = 4000 N b) Calculate the distance that separates the two masses. (Use GUESS method.) Answer d = 1.03 mm D. The gravitational force between two electrons 1.00 m apart is 5.54 X 10 N. Calculate the mass of an electron. (Use GUESS method.) Answer m = 9.11 X 10-³¹ kg Problem Bank Problems 1. An athlete whirls a 7.0 kg hammer tied to the end of a 1.3 m chain in a horizontal circle. The hammer makes one revolution in 2.0 s. (Use GUESS method.) a) Calculate the centripetal acceleration of the hammer. Answer: a = 12.82 m/s² b) Calculate the tension in the chain. Answer: Fnet = 89.74 N 2. Roxanne is making a strawberry milkshake in her blender. A tiny, 5 g strawberry is rapidly spu around the inside of the container with a speed of 14.0 m/s, and experiences a centripetal for 10.0 N. Calculate the radius of the blender. (Use GUESS method.) Answer: r = 0.098 m Page 1 of 3
fi A. TEKS and solve problems mathematically 3 (E) Express, manipulate and interpret relationships symbolically dance with and the gredic 4 (C) Analyze and describe accelerated motions is te doen, including using anos, graphical verwon, a projectile and circular examples. 4 (D) Calculate the effect of forces on objects, including the low of iner, and the nature of force pairs between objects ong ding wat die HE Quellten d 5 (B) describe and calculate how the magnitude of the news objects depends on their em and the distance between their centers Directions may be used during the problem bank quiz. Printed problem bank questions may not be used during Method skills sheet for a detailed explanation. All work is to be done on separate sheets of paper and the problem bank quiz. The problem bank quiz will not have questions over the Check for Complete each problem using the GUESS Method when Instructed. Refer to the GUESS Understanding. Check for Understanding the A toy cart on the end of a string 0.70 m long moves in a horizontal circle on a table. The cart has a mass of 2.0 kg, and the string has a breaking strength of 40 N. Calculate the maximum speed of the cart. (Use GUESS method.) Answer v = 3.74 m/s Updated: 11/1/2018 B. A 2.0 kg stone at the end of a string 1.0 m long is whirled in a vertical circle. The tension is the Sing is 52 N GUESS method.) Answer v = 4.02 m/s (Use C. A 4000 kg and an 8000 kg mass attract each other with a force of 2000 N. a) How much will a 4000 kg and a 16000 kg mass attract each other when placed the same distance apart? (GUESS method NOT required.) Answer F, = 4000 N b) Calculate the distance that separates the two masses. (Use GUESS method.) Answer d = 1.03 mm D. The gravitational force between two electrons 1.00 m apart is 5.54 X 10 N. Calculate the mass of an electron. (Use GUESS method.) Answer m = 9.11 X 10-³¹ kg Problem Bank Problems 1. An athlete whirls a 7.0 kg hammer tied to the end of a 1.3 m chain in a horizontal circle. The hammer makes one revolution in 2.0 s. (Use GUESS method.) a) Calculate the centripetal acceleration of the hammer. Answer: a = 12.82 m/s² b) Calculate the tension in the chain. Answer: Fnet = 89.74 N 2. Roxanne is making a strawberry milkshake in her blender. A tiny, 5 g strawberry is rapidly spu around the inside of the container with a speed of 14.0 m/s, and experiences a centripetal for 10.0 N. Calculate the radius of the blender. (Use GUESS method.) Answer: r = 0.098 m Page 1 of 3
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Transcribed Image Text:## Centripetal Force and Gravitation Problems
### Directions:
Complete each problem using the GUESS Method when instructed. Refer to the GUESS Method skills sheet for detailed explanation. All work is to be done on separate sheets of paper and must be shown during the problem bank quiz. (*Note that problem work is not always needed during lessons being studied. The problem bank quiz will not have questions over the Check for Understanding section.*)
### Check for Understanding:
A. A toy cart on the end of a string 1.0 m long moves in a horizontal circle on a table. The cart has a mass of 2.0 kg, and the string has a breaking strength of 40 N. Calculate the maximum speed of the cart. (Use GUESS method.) **Answer = v = 3.74 m/s**
B. A 2.0 kg stone at the end of a string 1.0 m long is whirled in a vertical circle. The tension is 52 N when the stone is at the bottom of the circle. Calculate the speed of the stone. (Use GUESS Method.) **Answer = v = 4.02 m/s**
C. A 4000 kg and an 8000 kg mass attract each other with a force of 2000 N. a) How much will a 4000 kg and a 16000 kg mass attract each other when placed the same distance apart? (GUESS method NOT required.) **Answer Fg = 4000 N** b) Calculate the distance that separates the two masses. (Use GUESS method.) **Answer d = 1.03 m**
D. The gravitational force between two electrons 1.00 m apart is 5.54 x 10^-71 N. Calculate the mass of an electron. (Use GUESS method.) **Answer m = 9.11 x 10^-31 kg**
### Problem Bank Problems:
1. An athlete whirls a 7.0 kg hammer tied to one end of a 1.3 m chain in a horizontal circle. The hammer makes one revolution in 2.0 s. (Use GUESS method.) a) Calculate the centripetal acceleration of the hammer. **Answer: ac = 12.82 m/s²** b) Calculate the tension in the chain. **Answer: Fnet = 89.74 N**
2. Roxanne is making a strawberry milkshake
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