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1) An atom of an element with an atomic number of 95 and a mass number of 241 undergoes decay by emission of an alpha particle. What are the atomic number, mass number and name of the product atom?
2) An atom of 63Ni undergoes loss of a beta particle. What are the atomic number, mass number and name of the product atom?
Neutron stars consist only of neutrons and have unbelievably high densities. Calculate the density of such a star
A hollow spherical shell with mass 1.75kg rolls without slipping down a slope that makes an angle of 35.0 degree with the horizontal. Find the magnitude of the frictional force acting on the spherical shell
A pitcher throws a curveball that reaches the catcher in 0.55 s. What is the angular displacement of the baseball as it travels from the pitcher to the catcher
Charges q1=+2.20 × 10-5 C and q2=-2.40 × 10-4 C are placed at rest 66.5 cm apart. How much work must be done by an outside agent to move these charges
An amusement park roller coaster starts out on a level track 50.0 m long and then goes down a 50.0-meter incline at an angle of 30° to the vertical. It then goes up a 20.0-meter ramp with an incline of 20° to the horizontal.
Two positive point charges, each 17?C , lie along the x-axis at x = -0.12m and x = +0.12m . Find the electric field at the point (0, 0.21m)
Tarzan, whose mass is 80.0 kg, swings from a 3.00-m vine thatis horizontal when he starts. What is the height of the highest tree limb they can reach on the upwardswing
A hospital patient receives a quick 500-cc blood transfusion during a needle with a length of 5.0 cm and an inner diameter of 1.0 mm. If the blood bag is suspended 0.85 m above the height where the blood where the blood first starts to flow into the..
question a 10 ohm resistor a 12.0 microfarad capacitor and a 17.0 mh inductor are connected in series with a 155 v
A skier of mass 73 kg is pulled up a slope by a motor-driven cable, What power (expressed in hp) must a motor have to perform this task
A person pushes a 16.0-kg shopping cart at a constant velocity of a distance of 26.0 m. She pushes in a direction 20.0degrees below the horizontal. A 54.0 N frictional force opposes the motion of the cart.
An ice chest at a beach party contains 12 cans of soda at 4.93 °C. Each can of soda has a mass of 0.35 kg, determine the final temperature T of the soda and watermelon in degrees Celsius
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