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In the Daytona 500 auto race, a Ford Thunderbird and a Mercedes Benz are moving side by side down a straightaway at 71.5 m/s. The driver of the Thunderbird realizes that she should make a pit stop, and she smoothly h slows to a stop over a distance of 250 m. She spends 5 seconds in the pit and then accelerates out, reaching her previous speed of 71.5 m/s after a distance of 350 m. at this point how far had the thunderbird fallen behind the Mercedes Benz, which has continued at a constant speed?
What is the magnitude of the acceleration of a falling sky diver (mass 62.5kg including parachute) who has opened her parachute
In the Bohr model of the hydrogen atom, an electron in the 1st excited state moves at a speed of 2.19 *10^6 m/s in a circular path having a radius of 5.29*10^-11 m
the pressure in each of your car tires is 2.10 multiply.gif 105 pa. the mass of your car is 1700 kg. assuming that each
A 0.15 kg ball is placed in a shallow wedge with an opening angle of 150.For each contact point between the wedge and ball, find out the force exerted on the ball. Assume the system is frictionless.
A block of mass 2.89 kg is pushed 2.20 m along a frictionless horizontal table by a constant 13.0 N force directed 23.0° below the horizontal. calculate the normal force exerted by the table
a rifle that shoots bullets at 500 ms is to be aimed at a target 46 m away and level with the rifle. how high above the
A loop of wire has the shape shown in the drawing. The top partof the wire is bent into a semicircle of radius r = 0.25m. The normal to the plane of the loop is parallel to a constantmagnetic field of magnitude 0.94 T.
At a certain point on Earth's surface in the southern hemisphere, the magnetic field has a magnitude of 5.1 10-5 T, find the magnitude and direction of the force on the muon
A microwave oven is powered by an electron tube called a magnetron, which generates electromagnetic waves of frequency 3.46 GHz. determine the speed of the microwaves
if a home operates on an average of 1.1 kw electricity how many fuel pellets of uranium dioxide uo2 are required to
a 0.28- muf capacitor is charged by a 1.2- v battery. after being charged the capacitor is connected to a small
a single conducting loop of wire has an area of 7.1times10?2 m2 and a resistance of 120 ohms. perpendicular to the
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