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for safety reasons the speed of a child at the bottom of playground slide cannot exceed 6.0 m/s. What is the maximum height of the slide?
a mass at the origin is pulled by four perpendicular ropes, with a force of 10N in the direction of the positive y axis, 8N to the positive x axis, What is the angle at which the force is acting
a train is traveling down a straight track at 27 ms when the engineer applies the brakes resulting in an acceleration
A particle is described by the wave function Ψ(x) ={ Axe^-ax, x>0 and Ψ(x) ={ 0, x≤0, Find the most probable position of the particle
A 1051 kg coasts down a hill 40 m high with its engine off and the driver's foot pressing the brake pedal. How much energy was converted into heat on the way down
The length of the mercury column at the ice point and steam point are 5.0 cm and 40.0cm respectively. What is the temperature of the liquid
A centrifuge in a medical laboratory rotates at an angular speed of 3450 rev/min. Find the constant angular acceleration of the centrifuge
A model rocket is fired vertically from rest. It has a net acceleration of 15.0 m/s2. After 1.1 s, its fuel is exhausted and its only acceleration is that due to gravity. how high does the rocket travel
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The acceleration free-fall on the moon is 1/6 of its value on earth
A ray of light traveling through air encounters a 1.7cm -thick sheet of glass at a 42? angle of incidence. Assume n = 1.5. How far does the light ray travel inside the glass
In beta decay, a neutron decays into a proton, an electron, and a neutrino, What is the maximum energy that the electron can have? The neutrino?
The gravitational acceleration on the surface of Mercury is 0.38 times that of Earth. What is the ratio of the density of Mars to that of Earth
A paratrooper is initially falling downward at a speed of 33.0 m/s before her parachute opens. How far does the paratrooper fall during this time interval
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