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Which of the following statements are true about nuclear decays and radioactivity?
1. Gamma decay involves emission of a 4He nucleus A: True B: False
2. A neutrino is a particle with a negative charge and a very small mass A: True B: False
3. The mass of a radioactive nucleus before decay is greater than the total mass of the decay products A: True B: False
4. Alpha decay involves emission of a 4He nucleus A: True B: False
5. Beta decay involves emission of an electron A: True B: False
A tabletop gamer has designed a game that requires three dice to be thrown onto a tray with a measurement grid. To add an extra degree of randomness, the coordinates of the center of mass of the three dice are used as well
An electron with velocity v = (300, 200, 0) m/s moves in a region where the magnetic feild is B = (0, 1.2, 2.8) x 10^-4 T. Determine the force on the electron
A mass-spring system oscillates with an amplitude of 5.00 cm. If the spring constant is 266 N/m and the mass is 457 g, determine the mechanical energy of the system
A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. What is the work done on the jet by the catapult
A pair of slits separated by d = 1.30 mm is illuminated with light of = 610 nmwavelength and falls on a screen L = 2.00 m away. what was the minimum glass thickness
An electromagnetic wave has an electric field amplitude of 318 V/m. What is the root mean square of the electric field of the wave
The coil in the figure carries current i = 1.70 A in the direction indicated, is parallel to an xz plane, What is the magnetic torque (in unit-vector notation) on the coil
A block in the shape of a rectangular solid has a cross-sectional area of 4.48 cm2 across its width, a front-to-rear length of 22.1 cm, find the magnitude of the electric field in the block
A fire truck attaches two fire hoses to a hydrant to fight a fire. Each hose has a diameter of 20 cm. What is the speed of the water in the fire hoses
A partial record of a freely falling body showed only 3 consecutive points. The distance from the first to the second point was 24.550 cm. that from the first to the third was 58.92 cm.
Calculate the electrical potential at the center of the square described as follows: Four charges are placed at the corners of a 20 cm square
A projectile is launched at 64 degrees at 63.7 m/s from the top of a hill. How far down the hill does the projectile hit
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