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The total stopping distance for a car traveling at a speed of 30 m/sec is 65 m, including a reaction time of 0.5 sec during which the car travels at constant speed before braking.
a) Draw a motion diagram for the problem.
b) What is the deceleration of the car while braking?
c) What is the total stopping distance for the car if the initial speed is 40 m/sec? Assume the same reaction time and deceleration.
q1. a hockey player makes a slap shot exerting a constant force of 30.4 n on the hockey puck for 0.12 s. what is the
What is the dose where the beam enters the muscle (the skin dose)? Find the limiting values of the average dose as L ==> 0 and as L==>∞.
The largest and smallest slits in these experiments are 0.16mm and 0.04mm wide, respectively. The wavelength of the laser light is 650nm. How many wavelengths wide are these slits
The shell has a net charge of -6.43 μC. Determine the charge on each surface of the shell and the electric field just outside the shell.
A 2000kg truck pulls a 700 kg trailer. Starting from rest the truck begins accelerating with an acceleration of 4.5m/s^2. what force does the trailer exert on the car
Consider two infinite, parallel, plane sheets of charge separated by a distance L. Each sheet has the same charge density, ?. Label the three zones of the space as I, II (between) and III. Calculate the total electric field strength in all three regi..
a ball is hurled straight up at a speed of 15.0m/s, leaving the hand of the thrower 3.00 m above ground. What is the total distance traveled by the ball just as it passes the window the second time
In the last sentence, there are three statements about prices. Rewrite these as statements about derivatives.
A block of mass m slides down a frictionless incline
A uniform disk with mass 39.5kg and radius 0.250 m is pivoted at its center about a horizontal, frictionless axle that is stationary. What is the magnitude a of the resultant acceleration of a point on the rim of the disk
Star formation appears to be promoted by sending shock waves through a dark cloud of the interstellar medium. Give two sources that can produce these shock waves.
A physical pendulum consists of auniform rod of length L = 1.5 meters. What is the angular kinetic energy of the rod after 1.0 sec
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