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Q1. A basketball player achieves a hang time of .658 s in dunking the ball. What vertical height will he attain? The acceleration of gravity is 9.8 m/s2.
Q2. A flight attendant pulls her 73 N flight bag a distance of 245 m along a level airport floor at a constant velocity. The force she exerts is 45 N at an angle of 54° above the horizontal.
(a) Find work she does on the flight bag.
(b) Find work done by the force of friction on the flight bag.
(c) Find coefficient of kinetic friction between the flight bag and the floor.
A ball is thrown toward a cliff of height (h) with a speed of30 m/s and an angle of 60 degrees above the horizontal. What is the ball's impact speed
An 80 driver gets into an empty taptap to start the day's work. The springs compress 1.8×10-2. What is the effective spring constant of spring system in the taptap.
The lowest pedal note on a large pipe organ has a fundamental frequency of 16 Hz, What is the length of the open-closed pipe that makes that note
Two infinitely large plates are arranged so that they are parrallel, and seperated by a distance d. What is the approximate electric field outside the plates
questionin an x-ray machine electrons are accelerated and then fired so that they are incident on a metal target. which
Water flows out of a shower in a typical house at a rate of 20 liters/min. what is the difference between the pressure in the tank and atmospheric pressure
A battery has an emf of 7.5 V and 16 A of current flows through it. What power is this battery supplying
Clarify the general purposes of the management report. Identify five subject areas or topics which have been recommended for inclusion in the management report.
A 8.20-kg block of ice, released from rest at the top of a 1.56-m-long frictionless ramp, slides downhill, reaching a speed of 2.58m/s at the bottom. What is the angle between the ramp and the horizontal
A firefighting crew uses a water cannon that shoots water at 29.0m at a fixed angle of 52.0 degrees above the horizontal. How far from the building should they position their cannon
A sample of paramagnetic material containing \(10^{25}\) atoms is placed in an external field magnetic field of 1 tesla at room temperature
A sinusoidally varying voltage is represented by V(t) = (75 V)sin(120?t). What are its frequency and peak voltage
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