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##### Part A) Find an expression for the shortest distance dmin in which the large box can stop without the small box slipping.Part B) A pickup truck with a steel bed is carrying a steel file cabinet. If the truck's speed is 11 m/s , what is the shortest distance in which it can stop without the file cabinet sliding? Assume that ?s=0.80.

Part A) Find an expression for the shortest distance dmin in which the large box can stop without the small box slipping. Part B) A pickup truck with a steel bed is carrying a steel file cabinet. If the truck's speed is 11 m/s , what is the shortest distance in which it can stop without the ...

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how to calculate surface tension when there are two radiis...

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Practice Problem 1: Determine the net force of the distributed load (magnitude and direction). Determine the location of the center of the distributed force system. Determine support reactions at the root of the beam....

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##### A tiny grasshopper decides to jump off a cliff according to the dimensions shown in the image below. If its initial speed was 4.3 m/s, how much time passed by until he reached the ground on the bottom part of the cliff?

A tiny grasshopper decides to jump off a cliff according to the dimensions shown in the image below. If its initial speed was 4.3 m/s, how much time passed by until he reached the ground on the bottom part of the cliff?...

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##### A wire of diameter, d and length, l undergoes a strain of 1.0 x 10-3 when loaded with weight, F. By replacing the wire with another wire of the same material and length but four times in diameter, calculate the strain of new steel wire considering the load remains the same.

A wire of diameter, d and length, l undergoes a strain of 1.0 x 10-3 when loaded with weight, F. By replacing the wire with another wire of the same material and length but four times in diameter, calculate the strain of new steel wire considering the load remains the same....

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##### The graph below shows the velocity-versus-time graph before and after the collision of two carts on a horizontal track. After the collision the carts stick together. Green and blue lines show the velocities of cart 1 and cart 2, respectively, before the collision. The black line shows the velocity of the carts joined together after the collision. Determine the ratio of the carts’ masses ????1/????2.

The graph below shows the velocity-versus-time graph before and after the collision of two carts on a horizontal track. After the collision the carts stick together. Green and blue lines show the velocities of cart 1 and cart 2, respectively, before the collision. The black line shows the velo...

5 answers

##### 1. In the figure shown there is a sphere of mass "m" at rest at point A. If this sphere is released and friction is not considered. What will be the centripetal force when the sphere passes through point B? (g = 10 m / s2)

1. In the figure shown there is a sphere of mass "m" at rest at point A. If this sphere is released and friction is not considered. What will be the centripetal force when the sphere passes through point B? (g = 10 m / s2)...

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##### A cylinder has a radius of 4.6 ± 0.4 cm and a height of 5.36 ± 0.3 cm. (a) Find the volume of this cylinder and its uncertainty in cubic centimeters. (Hint: The formula for the volume of a cylinder is V = ? r2 h.)?? (b) Find the % uncertainty for r, h and V. (c) Find the volume of the cylinder in question 5 in cubic meters.

A cylinder has a radius of 4.6 ± 0.4 cm and a height of 5.36 ± 0.3 cm. (a) Find the volume of this cylinder and its uncertainty in cubic centimeters. (Hint: The formula for the volume of a cylinder is V = ? r2 h.)?? (b) Find the % uncertainty for r, h and V. (c) Fin...

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##### A large fish hangs from the roof of an elevator via a spring with a spring constant of 500 N/m and an unstretched length of 0.600 m. The elevator is initially moving upwards at a constant 2.50 m/s, but then slows to a stop in 1.50 s. If the spring has a length of 0.634 m while slowing down, what is the mass of the fish?

A large fish hangs from the roof of an elevator via a spring with a spring constant of 500 N/m and an unstretched length of 0.600 m. The elevator is initially moving upwards at a constant 2.50 m/s, but then slows to a stop in 1.50 s. If the spring has a length of 0.634 m while slowing down, what is ...

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##### Points) A bacteria culture grows exponentially_ and starts with 800 bacteria After one hour the count 1000 bacteria= Find the number of bacteria after 2 hours. (You may use e, lo, log to express your answer-) After how many hours will the number of bacteria double? (You may use e,ln, log to express your answer. )

points) A bacteria culture grows exponentially_ and starts with 800 bacteria After one hour the count 1000 bacteria= Find the number of bacteria after 2 hours. (You may use e, lo, log to express your answer-) After how many hours will the number of bacteria double? (You may use e,ln, log to expre...

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The usefulness of radiocarbon dating is limited to objects no older than 60,000 years. What percent of the carbon- 14, originally present in the sample, remains after this period of time?...

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A manufacturer claims that the thickness of the spearmint gum it produces is 7.5 one-hundredths of an inch. A quality control specialist regularly checks this claim. On one production run, she took a random sample of 10 pieces of gum and measured their thickness. She found the mean thickness of the ...

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