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Emilie's potter's wheel rotates with a constant 2.00rad/s2 angular acceleration. After 3.60s , the wheel has rotated through an angle of 75.0rad .
What was the angular velocity of the wheel at the beginning of the 3.60s interval? ?0= ? rad/s
Find out an effective coefficient of kinetic friction
A loudspeaker of mass 15.0 is suspended a distance of h = 2.30 below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.30. What is tension in each cable.
A wooden block weighing 7 N is at rest on top of a wooden desk. The coefficient of static friction between the block and the desk is 0.41. Find out the minimum horizontal force required to move the block if the following occurs.
two vehicles of equal mass at a 90 degree intersection. If the momentum of vehicle A is 1.20 x 10^5 kg km/h east and the momentum of vehicle is 8.50 x 10^4 kg km/h north, what is the resulting momentum of the final mass
A father and a daughter balance a teeter totter
A house has a floor area of 113 m2 and an outside wall that has an area of 26 m2. The earth's magnetic field here has a horizontal component of 3.0 multiplied by 10-5 T that points due north and the vertical component of 4.9 multiplied by 10-5 T p..
a 3.95 mol sample of an ideal diatomic gas expands adiabatically from volume of 0.1820 m3to 0.710m3, Determine the initial and final temperatures
An 8,000 rocket is shot straight up from the Earth's surface with the initial speed of 800 m/s. How high does it go.
A 96N grocery cart is pushed 10m along an aisle by a shopper who exerts a constant horizontal force of 40-N. If all frictional forces are neglected and cart starts from rest, what is the grocery cart's final speed.
An athlete crosses a 28 m-wide river by swimming perpendicular to the water current at a speed of 0.8 m/s relative to the water, How fast is the water in the river flowing with respect to the ground in m/s
Originally, light is unpolarized. It then travels through 3 polarizers: the first with its transmission axis aligned vertical, What is the intensity of light after the third polarizer
A bullet is fired from ground level with a speed of 150 m/s at an angle of 30 degrees above the horizontal. What is the velocity of the bullet while it is at the highest point of its trajectory.
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