Compressed air is used to fire a 60 g ball vertically upward from a 0.70-m-tall tube....
Compressed air is used to fire a 60 g ball vertically upward from a 0.70-m-tall tube. The air exerts an upward force of 2.4 N on the ball as long as it is in the tube. Part A How high does the ball go above the top of the tube? Express your answer to two significant figures and include the appropriate units
Homework Answers
The work done by the compressed gas is given by
By Conservation Of Energy Principle, the work done by the gas will be used up to achieve height by the ball, that is, to convert this energy into potential energy
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Compressed air is used to fire a 60 g ball vertically upward
from a 0.70-m-tall tube....
Compressed air is used to fire a 60 g ball vertically upward from a 1.0-m-tall tube....
Compressed air is used to fire a 60 g ball vertically upward from a 1.0-m-tall tube. The air exerts an upward force of 1.4 N on the ball as long as it is in the tube. How high does the ball go above the top of the tube?
You are 1.9 m tall and stand 2.4 m from a plane mirror that extends vertically...
You are 1.9 m tall and stand 2.4 m from a plane mirror that extends vertically upward from the floor. On the floor 1.1 m in front of the mirror is a small table, 0.50 m high. Part A What is the minimum height the mirror must have for you to be able to see the top of the table in the mirror? Express your answer using two significant figures. Please show all work extensively!!
A basketball player drops a 0.60-kg basketball vertically so that it is traveling at 6.3 m/s...
A basketball player drops a 0.60-kg basketball vertically so that it is traveling at 6.3 m/s when it reaches the floor. The ball rebounds upward at a speed of 4.7 m/s. B.) Determine the average net force that the floor exerts on the ball if the collision lasts 0.12 s. Express your answer to two significant figures and include the appropriate units. NSonB =
A vertical spring Oignore its mass), whose spring constant is 825 N/m, is attached to a...
A vertical spring Oignore its mass), whose spring constant is 825 N/m, is attached to a table and is compressed down by 0.160 m Part A What upward speed can it give to a 0.360-kg ball when released? Express your answer to three significant figures and include the appropriate units. Value Units Submit Request Answer Part B How high above its original position (spring compressed) will the ball ? Express your answer to three significant figures and include the appropriate...
A stomp rocket is launched vertically upwards with a burst of air, when a child jumps...
A stomp rocket is launched vertically upwards with a burst of air, when a child jumps on a flexible pillow connected to the launcher tube. Air resistance can be ignored in this question. At t=0, the rocket has just left the launcher, it has a speed of 25 m/s and the only force that it experiences is the force of gravity. "Up" is defined as the positive direction and define zero altitude as the position of the rocket at t=0....
You throw a ball vertically upward with an initial speed of 5 m/s from your dorm...
You throw a ball vertically upward with an initial speed
of 5 m/s from your dorm window...
QUESTION 6 5 p You throw a ball vertically upward with an initial speed of 5 m/s from your dorm window. If the window is 10 m above the ground, find the time the ball is in flight. Give your answer with three significant figures and do not write the units. 5 p. QUESTION 7 Continuing with exercise 6, calculate the speed of...
A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 32...
A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 32 m high. When it hits the ground at the base of the cliff, the rock has a speed of 33 m/s . Part A Assuming that air resistance can be ignored, find the initial speed of the rock.(Express your answer using two significant figures.) Part B Find the greatest height of the rock as measured from the base of the cliff. (Express your answer...
A 71 kg trampoline artist jumps vertically upward from the top of a platform with a...
A 71 kg trampoline artist jumps vertically upward from the top of a platform with a speed of 4.8 m/s. (Figure 1) Part B If the trampoline behaves like a spring of spring constant 5.5*104 N/m, what is the distance he depress it? Express your answer to two significant figures and include the appropriate units. μΑ ? 2= Value Units as Submit Previous Answers Request Answer
Review Part A - Determining the average force supplied by the jet of compressed air If...
Review Part A - Determining the average force supplied by the jet of compressed air If the package must be moving at a speed of v = 18.5 cm/s when it has reached the distance of 48.0 cm, determine the average force that the jet of compressed air must supply to the package Express your answer to three significant figures and include the appropriate units. Learning Goal: To be able to use the conservation of energy on a moving body...
In a physics lab experiment, a compressed spring launches a 37 g metal ball at a...
In a physics lab experiment, a compressed spring launches a 37 g metal ball at a 35° angle. Compressing the spring 20 cm causes the ball to hit the floor 1.5 m below the point at which it leaves the spring after traveling 5.7 m horizontally. Part A What is the spring constant? Express your answer to two significant figures and include the appropriate units. k= Value Units Submit Request Answer
A vertical spring Oignore its mass), whose spring constant is 825 N/m, is attached to a table and is compressed down by 0.160 m Part A What upward speed can it give to a 0.360-kg ball when released? Express your answer to three significant figures and include the appropriate units. Value Units Submit Request Answer Part B How high above its original position (spring compressed) will the ball ? Express your answer to three significant figures and include the appropriate...
You throw a ball vertically upward with an initial speed
of 5 m/s from your dorm window...
QUESTION 6 5 p You throw a ball vertically upward with an initial speed of 5 m/s from your dorm window. If the window is 10 m above the ground, find the time the ball is in flight. Give your answer with three significant figures and do not write the units. 5 p. QUESTION 7 Continuing with exercise 6, calculate the speed of...
A 71 kg trampoline artist jumps vertically upward from the top of a platform with a speed of 4.8 m/s. (Figure 1) Part B If the trampoline behaves like a spring of spring constant 5.5*104 N/m, what is the distance he depress it? Express your answer to two significant figures and include the appropriate units. μΑ ? 2= Value Units as Submit Previous Answers Request Answer
Review Part A - Determining the average force supplied by the jet of compressed air If the package must be moving at a speed of v = 18.5 cm/s when it has reached the distance of 48.0 cm, determine the average force that the jet of compressed air must supply to the package Express your answer to three significant figures and include the appropriate units. Learning Goal: To be able to use the conservation of energy on a moving body...
In a physics lab experiment, a compressed spring launches a 37 g metal ball at a 35° angle. Compressing the spring 20 cm causes the ball to hit the floor 1.5 m below the point at which it leaves the spring after traveling 5.7 m horizontally. Part A What is the spring constant? Express your answer to two significant figures and include the appropriate units. k= Value Units Submit Request Answer
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