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Question: A bear ran from a zoo and climbed an electric pole of height 20 meters in the city. The rescue team hits the bear with a tranquilizer dart. It took two seconds for the bear to fall on the ground. What is the color of the bear? The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.
Two round concentric metal wires lie on a tabletop, one inside the other. The inner wire has a diameter of 18.0cm and carries a clockwise current of 14.0 A, as viewed from above, and the outer wire has a diameter of 38.0cm .
The time taken to cover the distance.
A 107-mm-focal-length lens is used to focus an image on the sensor of a camera. How far in front of the sensor should the lens (assumed thin) be
A 88.0kN spaceship comes in for a vertical landing. From an initial speed of 1.00 km/s, it comes to rest in 2.50min with uniform acceleration. What braking force must its rockets provide? Ignore air resistance.
A laser emits light at wavelength ? = 637 nm in a beam of diameter 2.9 mm and at an energy-emission rate of 5.4 mW. At what rate per unit area does the detector absorb photons
Two masses, m1 = 25.0 kg and m2 = 45.0 kg, are attached by a mass less rope over a mass less pulley, Determine how much work is done by gravity on m2 as it falls
Unpolarized light with intensity I0 is sent ?rst through a polarizer with the polarizing axis aligned in the vertical direction, and then through a second polarizer with the polarizing axis oriented 30° from the vertical. What is the intensity of ..
A hockey puck is hit on a frozen lake and starts moving with a speed of 13.4 m/s. Five seconds later, its speed is 5.40 m/s. What is its average acceleration
A diver springs vertically upwards from a 4.5-m board with an initial speed of 4.2 m/s. What is her acceleration when she is at this maximum height
A person pushes a 12.3-kg shopping cart at a constant velocity for a distance of 16.5 m on a flat horizontal surface. calculate the work done by the pushing force
A thin hoop of radius r = 0.56 m and mass M = 9.6 kg rolls without slipping across a horizontal floor with a velocity v = 4.4 m/s. What is the maximum height h reached by the hoop before rolling back down the incline
You are standing between two speakers that are separated by 80 m. Both speakers are playing a pure tone of 286 Hz. How fast are you running
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