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A diver with a mass of 79 kilogram reaches a maximum height of 5.8 meter above the water. When the diver has fallen 1.6 meter from the apex, find her kinetic energy (J)? Suppose horizontal velocity is zero.
a uniform electric is produced by two parallel plates separeated by 3 cm and with a battery of 36 v across them, find the speed of the electron and proton when they reach the charged plates
A fireman d = 49.0 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of ?i = 27.0° above the horizontal, at what height will the stream of water strike the building
An electron moving parallel to the x axis has an initial speed of 3.70x10^6 m/s at the origin. Calculate the potential difference between the origin and that point.
Consider a stainless steel annular disk with an outer radius 56 mm and inner radius 7.7 mm. What is the moment of inertia of the stainless steel annular disk
An astronaut at rest on Earth has a heartbeat rate of 75 beats/min. When the astronaut is traveling in a spaceship at 0.89c, what will this rate be as measured by the following: an observer also in the ship, an observer at rest on Earth
At a certain location, Earth's magnetic field of 53 µT is horizontal and directed due north. Suppose the net field is zero exactly 7.5 cm above a long, straight, horizontal wire that carries a constant current. What is (a) the magnitude of the curren..
A 11.9-g mass is suspended 1.47 cm above a nonconducting flat plate, directly above an embedded charge of q. by how much will the mass be changed
questionan ideal gas undergoes this methodin a p v diagram point 1 starts at v1p1 moves to v1 p2 then to v2p2 then v2p1
A 1.0 N force is applied to the plunger of a hypodermic needle. The diameter of the plunger is 1.0 cm and that of the needle is 0.30 mm. With what force does the fluid leave the needle?
question a 4.2 kg rectangular air mattress is 2.7 m long 0.653 m wide and 0.167 m thick. what mass can it support in
Two carts with masses m1 = 0.8 kilogram and m2 = 1.2 kilogram are moving toward each other with speeds v1 = 4.5 m/s and v2 = 3.8 m/s. Determine what is the final speed of mass m1
Zinc has a work function of 4.30 eV. What is the maximum possible speed of the electron
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