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A diver pushes off horizontally from the top of a vertical cliff that is 40.0 m high from water surface below. But the driver has to clear a rock formation hat is 6.0 m wide (as shown).
(A) How long is the diver in the air?
A 0.7 kW heater is designed to operate at 210 V. Assume that its resistance is constant. What is the power dissipated in this resistor if it operates at 120 V
What is the angular displacement, angular velocity and angular acceleration of the second hand on a clock over the time interval in which it moves from the 12 to the 6
Lonnie pitches a baseball of mass .20 kg. The ball arrives at home plate with a speed of 40 m/s and is batted straight back to Lonnie with a return speed of 60-m/s. If the bat is in contact with the ball for .050 s, what is the impulse experienced..
A 0.289-kg coffee mug is made from a material that has a specific heat capacity of 990 J/kg C° and contains 0.304 kg of water. determine the minimum power rating of this heater
If i have a hollow copper sphere that has an outer diameter of 20.00 cm that is floating so that everything is just submerged in a bucket of water
A uniform rod of mass 2.55×10?2kg and length 0.440m rotates in a horizontal plane about a fixed axis through its center, What is the angular speed of the system at the instant when the rings reach the ends of the rod
Under normal conditions, humans radiate electromagnetic waves with a wavelength of about 9.0 microns. What is the frequency of these waves
HCl has a dissociation energy of De = 7.41x10^-19 J and a harmonic vibrational frequency of 2900 cm-1. calculate the anharmonicity constant
A ten pound car wheel has a moment of inertia of 0.38 kg m2. What is the wheel's rotational kinetic energy
Red light of wavelength 670.0 nm produces photoelectrons from a certain photoemissive material. What is the material's work function
A spherical weather balloon is filled with hydrogen until its radius is3.00m. Its total mass including the instruments it carries is10.0kg. Find the buoyant force acting on the balloon
What is the acceleration of a car that moves at a steady velocity of 100 km/h for 100 second? Explain your answer and state why this question is an exercise in careful reading as well as in physics.
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