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An elevator can have a maximum mass 1000kg in it and the elevator has a mass of 2000kg. If the elevator can accelerate upwards at a rate of 50m/s2, A) what is the max tension in the cable supporting the elevator? B) if the elevator was accelerating downwards at a rate of .2g, what is the tension in the cable supporting the elevator?
A vacationer floats lazily in the ocean with 95% of his body below the surface. The density of the ocean water is 1025 kg/m3. What is the vacationer's average density
The apparent weight of passengers on a roller coaster increases by 52 as the car goes through a dip with a 35 radius of curvature. What is the car's speed at the bottom of the dip
Find the magnitude of , the acceleration of the car after the brakes are applied. Express your answer in terms of some or all of the variables d, t, and v.
At one instant a bicyclist is 43 m due east of a park's flagpole, going due south with a speed of 12 m/s. Then 22 s later, the cyclist is 43 m due north of the flagpole, going due east with a speed of 12 m/s.
A 4.2 kg block of ice slides down a plane with an incline of34 degrees. assuming friction is negligible, what is the acceleration of the block down the incline
A solid sphere of mass 4.0kg and radius of 0.12m is at rest at the top of a ramp inclined 15degrees. It rolls to the bottom without slipping. What is the liner speed of the sphere
One end of a nylon rope is tied to a stationary support at the top of a vertical mine shaft of depth 85.0 m. What is the wave speed at the bottom of the rope
The strength of interatomic bonding in two elemental crystalline materials is approximately the same, but Material #1 is composed of atoms that are approximately 4 times heacier compared to Material #2.
a parallel-plate capacitor is made of two flat metal plates pressed against a thin slab of dielectric material. the
a 5600 kg mass car is taking a turn at 72 ms. if the frictional force here is 44000n what is the radius of curvature
At what time after the discharge begins is the energy stored in the capacitor reduced to half its initial value? RC=3ms (timeconstant for capacitor to discharge)
Rocket mass 5000kg emits a mass of 10kg at 2000m/s at right angles...What is velocity of rocket after expulsion?
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