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A 78.0-kilogram child starts from rest from the top of a frictionless slide that is 5.4 meters tall. The bottom of the slide is 28.6 centimetres above the ground. The kinetic friction is a constant 116. 0newtons and acts over the 5.0 meter length of the slide.
What is the child's speed at the bottom of the slide?
A speedboat starts from rest and accelerates at +2.15m/s2 for 8.35 s. At the end of this time, the boatcontinues for an additional 8.62 s with an acceleration of +0.629m/s2.
An object of mass m moves in one dimension under the influence of the following conservative potential function: U(x) = x2 + 2x - 1. Determine the acceleration of the object
a solenoid of radius 2.3 cm has 370 turns and a length of 25 cm.a find its inductance.b find the rate at which current
the atomic mass of lithium-6 is 6.015123 u. how much energy is required to completely separate the nucleons in a
frictionless surface and are pushed together with a compressed spring between them. The spring has a spring constant of 154 N/m and the spring is compressed a distance of 2.5 m.
A particle with charge of 4 microcoloumbs is at the origin, another identical particle is placed 2 m from the origin on thepositive x-axis and another 2 m on the positive y-axis.
The Earth has a radius of approximately 6.37 x 10 ^ 6 meters (m). Determine the surface area of the Earth in square kilometers
Two parallel plates carry uniform charge densities –0.65 and +0.65. Find the magnitude of the electric field between the plates. Find the magnitude of the acceleration of an electron between these plates.
An ambulance with a siren emitting a whine at 1600 Hz overtakes and passes a cyclist pedaling a bike at 2.44 m/s. How fast is the ambulance moving
A 63.0kg skier is moving at 6.55m/s on a frictionless, horizontal snow-covered plateau when she encounters a rough patch 3.55m long. How fast is the skier moving when she gets to the bottom of the hill
a plane is flying in the horizontal plane. at time t1 0 s with the components of its velocity are vx 100 ms and vy
q1. determine the tension in each cable if the boat has a mass of 490 kg and the angle of each cable is 50 degrees from
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