Physics, 28.03.2021 23:50 21megoplin
A 85.0 kg skateboarder starts from rest at the top of a hill 300. meters in length at an angle of 7.00 degrees. The wheels and the air produce 70.0 N of friction. Find the speed of the skateboarder at the bottom of the hill. a Answer value
Answers: 1
Physics, 22.06.2019 14:40, kellypechacekoyc1b3
Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?
Answers: 3
Physics, 23.06.2019 10:00, arlettg
The pressure in car tires is often measured in pounds per square inch (lb/in.2), with the recommended pressure being in the range of 25 to 45 lb/in.2. suppose a tire has a pressure of 27.5 lb/in.2 . convert 27.5 lb/in.2 to its equivalent in atmospheres.
Answers: 1
A 85.0 kg skateboarder starts from rest at the top of a hill 300. meters in length at an angle of 7....
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