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Question: A ladder 7.90 m long leans against the side of a building. If the ladder is inclined at an angle of 75.5° to the horizontal,
Part A- What is the horizontal distance from the bottom of the ladder to the building?
Please explain each step in detail for help.
A ball having a mass of 170 g strikes a wall with a speed of 5.0 m/s and rebounds with only 50% of its initial kinetic energy. find the speed of the ball immediately after rebounding
If a container has a water level 20 cm above the base and you punch a hole in the side 12 cm high
A magnetic fields pulls on an electron with 8.6 mN of force in the + X direction while an electric filed pulls with 5.2 mN of force in the - Y direction. Find the resulting force vector on the electron in (r, θ) form
a 0.340 kg particale moves in an xyplane according to xt -15 2t - 4t3 and yt 25 7t - 9t2 with x and y in metersand t
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Bowling balls can be made from a variety of substances and are required to have a circumference of roughly 27.2 inches. calculate the thickness of the shell
A 0.880 m long brass pendulum experiences a 20.0°C temperature increase. Find the ratio of the change in period to the original period
A radioactive isotope has an activity of 8.39 mCi. After 3.30 hours the activity is 6.71 mCi. What is the half-life of the isotope
A 5-turn coil has square loops measuring 0.200 m along a side and a resistance of 3.00 ohms. It is placed in a magnetic field that makes an angle of 40.0° with the plane of each loop. The magnitude of this field varies with time according to B= 2.00t..
A potential difference of 9.0V is found to produce a current .50 A in a 75.0 m lenght of wire a uniform diameter of 2.85 m. What is the resistivity of the wire
A toy car of mass 1.0 kg is stationary, and a child rolls a toy truck of mass 4.7 kg straight toward it with a speed of 3.2 m/s. What is the velocity of the center of mass of the system consisting of the two toys
A 1650-kg car is travelling at 31.2 m/s. How fast must a 91.0-kg bicycle and rider be travelling to have the similar kinetic energy as the car.
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