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Question: Traveling at a speed of 17.3 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.600. What is the speed of the automobile after 1.17 s have elapsed? Ignore the effects of air resistance.
A metal sphere of radius 13 cm has a net charge of 2.8 x10–8 C. (a) What is the electricfield at the sphere's surface? (b) If V =0 at infinity, what is the electric potential (in V) at thesphere's surface?
A parallel plate capacitor has a charge per unit area 30 x 10^-10 coulombs per meter^2. What is the voltage on the capacitor
A circuit is connected in parallel with two capacitor C1=6F and C2=3F with seperate switches S1,S2 and has a voltage of 20V. capacitor C1 is first charged by closing switch S1. switch S1 is then opened , and charged capacitor is connected to the un..
If the velocity of a pitched ball has a magnitude of 35.0 m/s and the batted ball's velocity is 65.0 m/s in the opposite direction, Find the magnitude of the impulse applied to it by the bat
A 83.0 kg fullback is running at 3.86 m/s to the east and is stopped in 0.760 s by a head-on tackle by a tackler running due west. Calculate the impulse exerted on the fullback.
A puck of mass m1 = 1.50 kg slides in a circle of radius r = 20.0 cm on a frictionless table while attached to a hanging cylinder of mass m2 = 2.50 kg by a cord through a hole in the table
A proton (mass 1.67 x 10^27kg) is moving at 1.55 x 10^6m/s directly toward a stationary helium nucleus (mass 6.64 x 10^27kg). what is the helium's velocity
An object of mass 250 g is attached to the first object, after which the system oscillates with half the original frequency. What is the mass of the first object
A small block with mass 0.0475kg slides in a vertical circle of radius 0.0710m on the inside of a circular track. What is the magnitude of the normal force that the track exerts on the block when it is at the top of its path
A 30.0 mL aliquot of a manganese solution (12.5 mg/mL of manganese, FW=59.94) was added to a 100. mL volumetric flask and diluted to the mark with distilled water. At a wavelength of 525 nm, this solution had an absorbance of 0.625 in a 1.000 cm cuve..
The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. For comparison, determine the weight of a jetliner whose mass is 6.01 × 105 kg
in a photoelectric effect experiment, the cathode made of chromium (work function = 4.5 eV) is irradiated with ultraviolet light of wavelength 22 nm. what is the stopping potential
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