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A spelunker is surveying a cave. She follows a passage 130m straight west, then 290m in a direction 45degrees east of south, and then 280 m at 30 degrees east of north. After a fourth unmeasured displacement, she finds herself back where she started. SHOW STEPS PLEASE Use a scale drawing to determine the magnitude of the fourth displacement. Determine the direction of the fourth displacement.
two spaceships are traveling in the same direction. With respect to an inertial frame of reference spaceship A has a speed of 0.850c. Find the speed Vab of spaceship A relative to spaceship B
A sledge loaded with bricks has a total mass of 17.5 kg and is pulled at constant speed by a rope inclined at 20.3° above the horizontal. How much work is done by the rope on the sledge
A pair of narrow slits are .075 mm apart and are located 1.5 m from the screen. Find the wavelength of the beam
A bowling ball and a silver dollar are rolled down a 15 degrees incline which is 5 meters long. Calculate the final linear speed of the silver dollar
A wheel rotates without friction about a stationary horizontal axis at the center of the wheel. What is the moment of inertia of the wheel
The half life of Carbon-14 is 5730 years. Suppose the wood from an ancient campsite contains 5.00% of the Carbon-14 found in a present day sample. How old is the wood
A satellite weighing 500 kg is in a circular orbit around the earth. It takes exactly 3 hours to go around the earth. what is the force of gravity on this satellite
Find out the minimum values of m1 and m2 such that the overlapping of the bright fringes will occur and find position of the overlap on screen.
In a double slit experiment there are two plane monochromatic waves incident on the slits. One wavelength is red with lamba= 600.0 nm, Calculate the linear separation of the red fringes
The rms current in an RL circuit is 0.32A when it is connected to an ac generator with a frequency of 60Hz and an rms voltage of 25V. Find the rms voltage across the inductor
A square coil ( length of side = 24 cm) of wire is placed in a uniform magnetic field that makes an angle of 30 degree with the normal to the plane of the coil. what is the magnitude of the emf induced in the coil
A block with mass 1.871 kg sliding on a frictionless surface is attached to a horizontal spring with spring constant 11.69 N/m at the equilibrium position of the spring. The block is then pulled a distance 13.99 cm from the equilibrium point and rele..
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