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A cyclist travelling at 5.0 m/s uniformly accelerates up to 10 m/s in 2.0s. Each tire of the bicycle has a radius of 35 cm, and a small pebble is caught in the tread of one of them.
(a) Find the angular acceleration of the pebble through those 2 seconds?
A flywheel has a constant angular deceleration of -2.01 rad/s2. Find the angle through which the flywheel turns as it comes to rest from an angular speed of 186 rad/s
On a certain evening, the dew point is 14 degree C and the relative humidity is 50%. How many Celsius degrees must the temperature fall
question a boy of mass 40 kg wishes to play on pivoted seesaw with his dog of mass 15 kg. when the dog sits at 3 m from
A person who weighs 68 kg steps onto a spring scale in the bathroom, and spring compresses by 0.79cm. (a) what is the spring constant? (b) What is the weight of another person who compresses the spring by 0.34cm.
The drill pipe has an outer diameter of 75 mm, a wall thickness of 6 mm, and a weight of 0.8 kN/m. If it is subjected to a torque and axial load as shown.
the speed of a bobsled is increasing because it has an acceleration of . at a given instant in time the forces
A boy whirls a stone in a horizontal circle 1.6m above the ground,by means of a string 1.4m long. The angle between the stringand horizontal plane is 10 degrees. The string breaks, the stone flies horizontally, and strikes the ground 6m away. What..
A plane is flying horizontally with speed 158 m/s at a height 5810 m above the ground, when a package is dropped from the plane. What is the horizontal distance traveled by this package
At a distance of 20m from a source of sound, the sound level is 40 dB. what will the sound level be
Two objects attract each other gravitationally with a force of 3.1×10?10N when they are 0.45m apart. One of the object has a mass of 2.0kg. Find the mass of the other object
The electric field just above the surface of the charged drum of a photocopying machine has a magnitude E of 2.3 105 N/C.The drum has a length of 40 cm and a diameter of 11 cm. What is the total charge on the drum?
The catapult on an aircraft carrier can take an aircraft from 0 to 85.6 m/s in 12.4 seconds, What is the acceleration of the aircraft when it launches
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