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A highway curve has a radius of 114 m. At what angle must the road be banked so that a car traveling at 26.7 m/s has no tendency to skid sideways on the road?
A horizontal water main with a cross-sectional area of 208 cm2 necks down to a pipe of area 45.0 cm2. Determine the flow rate through the system
A transformer operating from 79 V (rms supplies a 18.3 V lighting system for a garden. Find the equivalent resistance of the system
The front and rear sprockets on a bicycle have radii of 9.50 and 5.38 cm, respectively. Calculate the linear speed (in cm/s) of the chain
An electron moving through an electric field experiences an acceleration of 4.3 103 m/s2. Find the electric force acting on the electron
A number of people are riding in a hot-air balloon. The combined mass of the people and balloon is 281 kg. The balloon is motionless in the air, since the downward-acting weight of the people and balloon is balanced by an upward-acting 'buoyant' f..
A spherical surface completely surrounds a collection of charges. Find the electric flux (with its sign) through the surface if the collection consists of (a) a single +1.90 × 10-6 C charge, (b) a single -2.40 × 10-6 C charge, and (c) both of the ..
During the late 19th and early 20th centuries, direct observations showed that a glacier in Switzerland flowed forward in the downhill direction while its snout (terminus) was retreating higher up the valley? Which of the following describes these..
A novice skier, starting from rest, slides down a frictionless 34° incline whose vertical height is 128 m. How fast is she going when she reaches the bottom.
suppose that each vehicle is initially moving at 8.60 m/s and that they undergo a perfectly inelastic head-on collision. what force does the seat belt exert on each driver
A 310 turn solenoid with a length of 22.0 cm and a radius of 1.40 cm carries a current of 2.30 A. Calculate the area of the 4-turn coil
A 3.9×10-24-kg particle is vibrating with simple harmonic motion with a period of 1.8×10-5 s and a maximum speed of 1.70×103 m/s. Find the maximum displacement of the particle
A Carnot engine has a power output of 240 kW. The engine operates between two reservoirs at 9 C and 661 C. How much thermal energy is absorbed each hour
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