Compressed air is used to fire a 48 g ball vertically upward from a 1.0-m-tall tube. The air exerts an upward force of 1.0 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. h = 3.24 μA m Submit Previous Answers Request Answer ? X Incorrect; Try Again; One attempt remaining

Compressed air is used to fire a 48 g ball vertically upward from a 1.0-m-tall tube. The air exerts an upward force of 1.0 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. h = 3.24 μA m Submit Previous Answers Request Answer ? X Incorrect; Try Again; One attempt remaining

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 60P: Why is the following situation impossible? In a new casino, a supersized pinball machine is...

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Why is the following situation impossible? In a new casino, a supersized pinball machine is introduced. Casino advertising boasts that a professional basketball player can lie on top of the machine and his head and feet will not hang off the edge! The ball launcher in the machine sends metal balls up one side of the machine and then into play. The spring in the launcher (Fig. P6.60) has a force constant of 1.20 N/cm. The surface on which the ball moves is inclined = 10.0 with respect to the horizontal. The spring is initially compressed its maximum distance d = 5.00 cm. A ball of mass 100 g is projected into play by releasing the plunger. Casino visitors find the play of the giant machine quite exciting.
18. A 45-g arrow was released with an average force of 115 N over a distance of 5.75 m. What is the speed of the arrow as it leaves the bow?From the problem, what is the most appropriate equation to be used? Group of answer choices Fd=mv2/2 No answer mv=Ft mv=KE Pt=Fd
A 105-kg rugby player is initially running at 7.5 m/s in the positive direction, but collides head-on with a padded goalpost and experiences a backward force of 1.76 × 104 N for 5.55 × 10–2 s. Calculate the final velocity in the horizontal direction of the rugby player, in meters per second. vf =
About 70 g of blood is pumped from a person's heart into the aorta during each heartbeat. The blood starts at rest with respect to the body and has a speed of about 1.2 m/s in the aorta. If the pumping takes 0.15 s, what is the magnitude of the average force exerted by the heart on the blood?
As part of a safety investigation, two 1900 kgkg cars traveling at 21 m/sm/s are crashed into different barriers. Find the average force exerted on the car that hits a line of water barrels and takes 1.4 ss to stop. Find the average force exerted on the car that hits a concrete barrier and takes 0.20 ss to stop.
The great limestone caverns were formed by dripping water. (a) If water droplets of 0.03 mL fall from a height of 5 m at a rate of 10 per minute, what is the average force exerted on the limestone floor by the droplets of water during a 1-min period?
A 3650-kg open railroad car coasts at a constant speed of 9.00 m/s on a level track. Snow begins to fall vertically and fills the car at a rate of 5.00 kg/min. Ignoring friction with the tracks, what is the speed of the car after 65.0 min? Express your answer to three significant figures and include the appropriate units.
3. A stone having a mass of 20kg is being dropped at a height of 100m above the ground. Neglecting any effect of surroundings in the object, determine the velocity of the stone as it hits the ground. Derive with the formula below, show the cancellation, explain the step by step and DRAW a free body diagram/figure. refer with this: PE1 + KE1 + U1 + WF1 + Q1 + W1 = PE2 + KE2 + U2 + WF2 + Q2 + W2 + E losses.
The final set of this lab has you hanging an unknown mass on a spring (for which you have determined the spring constant, k). If you find the spring constant k = 24.0 N/m, what is the mass of an unknown object if it displaces the spring 4.40 cm? Give your answer in GRAMS to 3 significant figures
A toy gun uses a spring to project a 5.2-g soft rubber sphere horizontally. The spring constant is 8.0 N/m, the barrel of the gun is 16 cm long, and a constant frictional force of 0.025 N exists between barrel and projectile. With what speed does the projectile leave the barrel if the spring was compressed 5.4 cm for this launch? (Assume the projectile is in contact with the barrel for the full 16 cm.) _____m/s
a superball with mass mequal to 50 grams is dropped from a height of hi=1.5m . It collides with a table, then bounces up to a height of hf=1.0m . The duration of the collision (the time during which the superball is in contact with the table) is tc=15ms . In this problem, take the positive y direction to be upward, and use g=9.8m/s2 for the magnitude of the acceleration due to gravity. Neglect air resistance. a) Find the y component of the momentum, p before y, of the ball immediately before the collision. b) Find the y component of the momentum of the ball immediately after the collision, that is, just as it is leaving the table. c) Find Jy, the y component of the impulse imparted to the ball during the collision.
About 80 g of blood is pumped from the heart during each heartbeat. The blood starts at rest and has a speed of about 0.60 m/s in the aorta. If the pumping takes 0.17 s, What is the magnitude of the average force on the blood?