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In a fusion reaction, two deuterium nuclei combine to form a helium nucleus. One of the incident nuclei is initially moving in the positive x direction at 3.5 Mm/s, and the resulting helium nucleus is subsequently detected moving at 2.3 Mm/s at an angle q = 21 degrees to the x axis. Find the initial velocity of the second deuterium nucleus.
a parachutist relies on air resistance mainly on her parachute to decrease her downward velocity. she and her parachute
Two 4.0 * 4.0 square aluminum electrodes, spaced 0.80 apart are connected to a 100battery. What is the charge on the positive electrode
During a walk on the Moon, an astronaunt accidentally drops his camara over a 20.0m cliff. It leaves his hands with zero speed, and after 2.0s it has attained a velocity of 3.3 m/s downward. How far has the camera fallen after 4.0 s?
A bullet of mass 5.00g is fired horizontally into a wooden block of mass 1.17kg resting on a horizontal surface. What was the initial speed of the bullet
A head-butter can accelerate himself from rest to head-butting speed of 8.5 m/s, At the moment of impact, what impulse does the head butter produce
A 8.84-g bullet is moving horizontally with a velocity of +346 m/s, where the sign + indicates that it is moving to the right, What is the velocity of the second block after the bullet imbeds itself
Calculate the angular momentum of a solid uniform sphere with a radius of 0.130m and a mass of 14.0kg if it is rotating at 6.05rad/s about an axis through its center
two spheres with uniform surface charge density first with a radius of 7.2 cm and the second with a radius of 5.0 cm
A weather balloon filled with helium gas has a volume of 306 m3 and pressure 1.4 105 Pa at the Earth's surface (where the temperature is 293 K). What is the new volume of the balloon
Your job is to lift 30kg crates avertical distance of 0.90m from the ground onto the bed of a truck. How many crates for an average power output of 100W
A bat can detect small objects such as an insect whose size is approximately equal to one wavelength of the sound the bat makes. what is the smallest insect a bat can detect
To which, according to the rotational analog of Newton's second law, is the angular acceleration experienced by an object directly proportional?
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