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You are designing a roller coaster for a new amusement park on the Moon. You envision a loop with a radius of 35 meters in your track.
(a) What minimum speed at the top will a car have to possess in order to successfully negotiate the loop? The gravitational acceleration on the Moon is 1.6 m/s2.
(b) What speed at the top of the loop would a car need to have if the same roller coaster was built on Earth?
A 30 g ball of clay is thrown horizontally at 20 m/s toward a 1.7 kg block sitting at rest on a frictionless hi surface. The clayts and sticks to the block. What is the speed of the block and clay right after the collision?
A shell is shot with an initial velocity of 17 m/s, at an angle of ?0 = 60° with the horizontal. How far from the gun does the other fragment land
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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 36.1 ?F capacitor is connected to a 58.4 ? resistor and a generator whose RMS output is 36.6 V at 58.0 Hz. Calculate the RMS current in the circuit
The launching speed of a certain projectile is 5.4 times the speed it has at its maximum height. Calculate the elevation angle at launching
Calculate the rotational inertia of a meter stick, with mass 0.83 kg, about an axis perpendicular to the stick and located at the 44 cm mark
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An electric dipole consists of 1.50g spheres charged to \pm 2.30nC at the ends of a 6.00cm long massless rod. What is the dipole's angular velocity at the instant it is aligned with the electric field
A 0.99-cm-diameter microscope objective has a focal length of 2.6 mm. It is used in visible light with a wavelength of 532 nm. What is the resolving power of the objective
In the Tintin adventure Explorer's on the Moon, the rocket leaves earth and accelerates toward the moon. Upon reaching some point between the two planetary bodies, it executes a turning maneuver, at which point rocket is "facing backwards". How lo..
It takes sound waves of frequency 500 Hz 14.7 ms to make a round trip through a hollow pipe of length 7.5 m filled with helium. What is the speed of sound in helium
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