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A race driver has made a pit stop to refuel. After refueling,he leaves the pit area with an acceleration whose magnitude is6.3 m/s2; after4.5 s he enters the main speedway. Atthe same instant, another car on the speedway and traveling at aconstant speed of 69.5 m/s overtakesand passes the entering car. If the entering car maintains itsacceleration, how much time is required for it to catch the other car?
A pump is to lift 18.0 kg of water per minute through a heightof 3.60 m. What output rating (watts) should the pump motorhave
q1. a small metal bead labelled a has a charge of 29 nc. it is touched to metal bead b initially neutral so that the
X-rays having an energy of 250 keV undergo Compton scattering from a target. Find the Compton shift at this angle
In a Compton collision, if the wavelength of the photon is 1.00 pm and its deflected angle is 60.0°
An object of mass m= 1.00 kg is moving initially with a speed of 2.0 m/s along positive x- direction, Determine the speed and direction of motion of second object
The frequency of a tuning fork is 358 Hz. Find the length of the shortest organ pipe which will give 6 beats/s with the fork. The velocity of sound in air is 339.1 m/s.
A block of mass 20m can move without friction on a horizontal table. find the magnitude of the acceleration of the descending block
A pump is used to send oil (density 800 kg/s) through a hose the diameter of which is 5 times that of the nozzle through which the water exits. what is the gauge pressure of the oil in the pump
The Sun is a low mass star and so would never have the core fusion reactions of massive stars. Yet, the Sun has iron in its atmosphere, as well as gold, silver and other elements much heavier than iron and why?
a cart with a mass of 200 kg along a frictionless track. Calculate the velocity of the cart at points A and C is the cart is dropped from a height of 100m with an initial velocity of 10 m/s
A 25.0-mH inductor, a 2.00-%u03BCF capacitor, and a certain resistor are connected in series across an ac voltage sourceat 1000 Hz. what is the value of the resistor
two hockey players strike a puck of mass of .164kg, one from westward force of 1.10 x 10^3 Newtons, what is the degrees north of west
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