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A wheel of radius 0.2 m initially rotating at 60 rpm accelerates at a rate of 0.2 rad/s2 for 10 seconds.
1. What is the final angular speed in rpm?
2. How many turns does the wheel make through this time?
3. What distance does a point on the perimeter of the wheel travel?
The mass density of an object is 20.0 g/cc, and its mass is determined to be 104 g. What is the volume of the object
A neutral conductor contains a hollow cavity in which there is a +100 nC point charge. what is the charge on the exterior surface of the conductor
Regulation tennis balls have a mass of 57.5 g. When dropped from a height of 3.07 m they must rebound to a height of 2.13 m to be acceptable for play
High-speed stroboscopic photographs show that the head of a 280-g golf club is travelling at 58 m/s just before it strikes a 46-g golf ball at rest on a tee. After the impact, the club head travels (in the similar direction) at 52-m/s. determine t..
A hoodlum throws a stone vertically downward with an initial speed of 12.0 m/s from the roof of a building,23.0 m above the ground. What is the speed of the stone at impact?
What is the direction of proton after the collision? What is the direction of carbon atom after the collision.
The raised span of a drawbridge has its mass of 11,000kg distributed uniformly over its 14m length. Discover the magnitude of the tension in the supporting cable and the direction and magnitude of the force exerted with the hinge?
Two submarines are moving towards each other in a portion of the Atlantic Ocean where the water is calm. Sub A is moving at 14.0 m/s, What frequency does sub B detect
superman throws a boulder of weight 3400nat an adversary on the surface of the earth where the magnitude of the
A capacitor with air between its plates is charged to 70 V and then disconnected from the battery. What is the dielectric constant of this glass
Light from a lamp, which emits light at several discrete different wavelengths, illuminates an 800 line/mm diffraction grating. Find the wavelength of the bright fringe that is 34.20 centimeter from the central maximum
An insect trapped in a circular groove of radius 12 cm moves along the groove steadily and completes 7 revolutions in 100 s. (a) What is the angular speed, and the linear speed of the motion? (b) Is the acceleration vector a constant vector ? What..
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