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Consider two displacements, one of magnitude 2.5 m and another of magnitude 4.1 m. What angle between the directions of this two displacements give a resultant displacement of magnitude (a) 5.7 m, (b) 2.6 m, and (c) 3.4 m.
An eagle perched on a tree limb 19.5 m above the water spots a fish swimming near the surface. How long does it take for the eagle to reach the water
A rock is thrown vertically upward with a speed of 11.0m/s from the roof of a building that is 70.0m above the ground, What is the speed of the rock just before it strikes the ground
a baked potato at 250 degree celsius and a hot glass of milk at 70 degree celsius are in a tray in the same room.choose
Find an expression for the electric potential at the center. A proton is released from rest in a uniform electric field of magnitude 1.20×10^5 N/C. Find the speed of the proton after it has traveled.
A metal cube of edge 2 cm is drawn into auniform wire of length 2 m. What is the effective resistance of the combination
An experiment finds that standing waves on a 0.800-m-long string, fixed at both ends, occur at 24.0 Hz and 32.0 HZ, but at no frequencies in between. What is the wave speed on the string
Standing at a crosswalk, you hear a frequency of 520 Hz from the siren of an approaching police car. After the police car passes, observed frequency of the siren is 455 Hz. Establish the car's speeds from these observations.
The bones of a saber-toothed tiger are found to have an activity per gram of carbon that is 14.5 % of what would be found in a similar live animal
A playground merry-go-round has a radius of 3.0 m and a rotational inertia of 600 kg·m^2. find the final magnitude of the carousel's angular velocity
Carbon-14 has an activity of 0.25 Bq per gram of carbon for living organisms. The half-life of Carbon-14 is 5730 years. how old is the material
A container holds 0.60g of argon at a pressure of 9.0atm. Part A; How much heat is required to increase the temperature by 100degrees celsius at constant volume.
as an admirer of thomas young you perform a double-slit experiment in his honor. you set your slits 1.07 mm apart and
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