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In a local bar, a customer slides an empty beer mug down the counter for a refill. The height of the counter is 1.16 m. The mug slides off the counter and strikes the floor 1.60 m from the base of the counter.
(a) With what velocity did the mug leave the counter?
(b) What was the direction of the mug's velocity just before it hit the floor?
Calculate the magnitude of the gravitational force exerted on a 462-kg satellite that is a distance of 2.08 earth radii from the center of the earth. What is the magnitude of the earth's acceleration
A block of mass 2.50 kg is pushed 2.60 m along a frictionless horizontal table by a constant 14.0 N force directed 25.0ª below the horizontal. Determine the work done by the normal force exerted by the table
If the coefficient of friction between the block and the floor is 0.40, what is the mass of the block.
An airtight box has a removable lid of area 2.0 10-2m2 and negligible weight. The box is taken up a mountain where the air pressure outside the box is 0.75 x10^5Pa. The inside of the box is completely evacuated. What is the magnitude of force nece..
A 4.80-m clothesline is hung between two poles that are 4.76 m apart
An proton (m = 1.67 ´ 10-27 kg and q = 1.6 ´ 10-19 C) travelling at 2.7 × 105 ms-1 enters a magnetic field of 1.2 T at right angles to the direction of motion of the electron. What is the centripetal force on proton.
A triangle has its corners located at the points (x,y) = (12.00,15.00), (x,y) = (9.00,8.00) and (x,y) = (0,0). Calculate the area of the triangle
An alpha particle (the nucleus of a helium atom formed by 2 protons and 2 neutrons with charge q = +2(1.6 x 10-19 C ) is moving perpendicular to a magnetic field of 0.530 tesla at a velocity of 3.00E+6 m/s, Calculate the acceleration of the alpha p..
a 6.0 cm diameter horizontal pipe gradually narrows to 4.5 cm. When water flows through the pipe at a certain rate, What is the volume rate of flow
A person driving her car at 49 km/h approaches an intersection just as the traffic light turns yellow. She knows that the yellow light lasts only 2.0 s before turning to red, and she is 30 m away from the near side of the intersection .
find the speed and direction of a proton passing through the origin and where the magnetic fields are: B1=1.0x10^-13 (j hat) T at (x,y,z)= (1,0,0) in mm, B2= -1x10^-13 (i hat) at (0,1,0) in mm
A motorcycle starts with a constant acceleration of 3.0 m/s^2. At just that instant a buick with a constant speed of 20 m/s passes the motorcycle, How fast is the motorcycle travelling when it overtakes the buick
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