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A 285 Kg stunt boat is driven on the surface of a lake at aconstant speed of 13.5 m/s toward a ramp, which is angled at 25degrees above the horizontal. The coefficient of frictinobetween teh boat ottom and the ramp's surface is 0.150, and end of the ramp is 2.00 m above the water surface. (a) Assuming the engines are cut off when the boat hits the ramp, whatis the speed of the boat as it leaves the ramp? (b) what isthe speed of the boat when it strikes the water again? Neglect any effects due to air resistance.
When its coil rotates at a frequency of 258 Hz, a certain generator has a peak emf of 72 V. What is the peak emf of the generator
consider a solid sphere of radius 24 cm at a temperature of 43 degrees celsius. suppose the sphere is completely
the 3.00 kg cube has edge lengths d = 6.00 cm and is mounted on an axle through its center, what is the period of the resulting SHM
A non-isotropic two-dimensional solid has a coefficient of linear expansion alone one axis equation to A and along a perpendicular axis equation to B
In a vacuum, two particles have charges of q1 and q2, where q1 = +3.66 ?C. They are separated by a distance of 0.213 m,
The figure shows a photo of a swing ride at an amusement park. The structure consists of a horizontal, rotating, What is the speed of each seat
A circular loop in the plane of the paper lies in a 0.80 T magnetic field pointing into the paper. If the loop's diameter changes from 21.0 to 7.8 in 0.19. what is the direction of the induced current
question1assume you have a furnace wall that is constructed of two types of brick. the temperatures of inner and outer
A hollow, spherical shell with mass 1.75 rolls without slipping down a slope angled at 39.0. Part A Find the acceleration. Take the free fall acceleration to be = 9.80 Part B Find the friction force. Take the free fall acceleration to be = 9.80
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 20.0 m/s at an angle 54.0 degrees; What is the distance between the two girls
A bullet is fired through a board, 14 cm thick, with a line of motion perpendicular to the face of the board. If it enters with a speed of 450 m/s, what is the bullets acceleration
The rear window of a van is coated with a layer of ice at 0°C. The density of ice is 917 kg/m3, What is the maximum thickness of ice above this area that the defroster can melt in 2.1 minutes
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