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4. A Physics instructor, dissatisfied with his salary and looking for a thrill, performs motorcycle stunts in his spare time. His last stunt is to jump from a ramp angled 53.0° from horizontal over a 40.0 m river, and land on the other side at a point 15.0 m below the ramp.
(i) What is the minimum speed to just make it to the other side?
(ii) If his speed was (unfortunately) only half the value from part (a), where does the rider strike the other side of the cliff?
An air cyclone is used to separate solid particles having different masses. what is the centrifugal acceleration of the particles
The men's world record for the shot put, 23.12 m, was set by Randy Barnes of the United States on May 20; 1990.If the shot was launched from 6 ft above the ground at an initial angle of 42degrees, what was its initial speed.
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A 747 airliner reaches its takeoff speed of 187 mi/h in 31.4s. What is the magnitude of its average acceleration.
According to the equipartition theorem , the average energy of any degree of freedom is 1/2 kT, Estimate the root mean square speed of a helium atom at 15 degrees celcius
A thin soap film (n = 1.33) has the uniform thickness. When white light strikes the film at normal incidence, blue light (b = 440 nm) is constructively reflected.
Magnetic resonance imaging (MRI) is a medical technique for producing "pictures" of the interior of the body, Determine the smallest time period during which the field can be allowed to vanish if the magnitude of the average induced emf is to be kep..
A bullet with a mass of 4.25g , traveling horizontally with a speed of 434m/s , is fired into a wooden block with mass of 0.786kg, What is the decrease in kinetic energy of the bullet
A parallel plate capacitor has a capacitance of 6.3 µF when filled with a dielectric. evaluate the dielectric constant of the dielectric
How far does the object compress the spring if same experiment is performed on the moon, where g = 1.63 m/s2 and air resistance is neglected.
In one cycle, a heat engine does 310 J of work and releases 620 J of heat to a lower-temperature reservoir. What is the efficiency of the engine
If the piston has a cross sectional area of 0.0100 m^2 and negligible mass, how high would it rise when the temperature is raised to 250°C.
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