Physics, 08.12.2021 18:00 Pookaapoo8832
1. If Cadmium has an atomic number of 48 and an atomic mass of 112 and it undergoes alpha decay, what is the new element produced?
a. Palladium, atomic number: 46, atomic mass: 108
b. Ruthenium, atomic number: 44, atomic mass: 110
c. Tin, atomic number: 50, atomic mass: 118
d. Cadmium, atomic number: 48, atomic mass: 108
2. What is the difference between nuclear fission and nuclear fusion?
a. Nuclear fission involves a lighter element splitting into even lighter elements, nuclear fusion involves heavier elements splitting into lighter elements
b. Nuclear fission involves a heavier element splitting into lighter elements, nuclear fusion involves two lighter elements joining into a heavier element
c. Nuclear fusion involves a heavy element splitting after absorbing energy, nuclear fission involves a heavy element splitting by producing energy
d. Nuclear fusion can only be produced artificially, nuclear fission happens in the natural world
3. In the following free body diagram, what is the net force on the object?
a. 10 N to the left
b. 5 N to the right
c. 20 N to the right
d. 7 N to the left
(Diagram Below)
Answers: 3
Physics, 22.06.2019 05:30, jalexus
Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue
Answers: 2
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A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?
Answers: 1
1. If Cadmium has an atomic number of 48 and an atomic mass of 112 and it undergoes alpha decay, wha...
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