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A professional boxer hits his opponent with a 1000 N (225 lb) horizontal blow that lasts for 0.15 s.
(a) Calculate the impulse imparted by his blow.
(b) What is his opponent's final velocity, if his mass is 105 kg and he is motionless in midair when struck near his center of mass?
A 73 kg parachutist descends during a vertical height of 420 m with constant speed. Find the increase in entropy produced by the parachutist; assume the air temperature is 21°C.
A 1.50-m-diameter MRI solenoid with a length of 2.20m has a magnetic field of 1.60T along its axis. find the emf in one turn of the solenoid's windings
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, How fast are the waves traveling
A contact lens is made of plastic with an index of refraction of 1.58. The lens has an outer radius of curvature of +1.99 cm, What is the focal length of the lens
As in the previous problem (43), a solid block is suspended from a spring scale. If the reading on the scale when the block is completely immersed in water is 25.0 N, what are the block's volume and density
A 16.0-? resistor, a 12.0-µF capacitor, and a 17.0-mH inductor are connected in series with a 170-V generator. What is the maximum value of the rms current?
Three moles of a monatomic ideal gas are heated at a constant volume of 2.23 m3. What is the change in the temperature of the gas
(a) How far is the tortoise from the finish line when the hare resumes the race? (Please provide numerical answer in m) (b) For how long in time was the hare stationary?
Coherent light from a sodium-vapor lamp is passed through a filter that blocks everything except for light of a single wavelength. find the wavelength of the light that falls on the slits
What are the x- and y-components of the electric field at (x, y) = (0 m, +4 m)? (a)Two charges are placed on the x-axis: one is placed at x = 3 m and the other is at x = -3 m.
A playground carousel is free to rotate about its center on frictionless bearings, and air resistance is negligible. What is the person's mass
If the bunting support rope is at 30 degree to the vertical and its tension force is 400N, what is the vertical component of the tension, and what is the horizontal pull from the bunting
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