Which of the following is the BEST example of increasing the intensity of a workout? A. running one mile further than normal B.
2 answers:
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Answer:
rate of fission =5.89*10^3 1\Year
Explanation:
we know that
rate of fission is given as
mass = 1.0 g
avogardo number = 6.02*10^23
molar mass of isotopes 235U =235
Putting all value to get rate of emission
rate of fission
rate of fission =5.89*10^3 1\Year
Answer
given,
Mass of Kara's car = 1300 Kg
moving with speed = 11 m/s
time taken to stop = 0.14 s
final velocity = 0 m/s
distance between Lisa ford and Kara's car = 30 m
a) change in momentum of Kara's car
Δ P = m Δ v
Δ P = - 1.43 x 10⁴ kg.m/s
b) impulse is equal to change in momentum of the car
I = - 1.43 x 10⁴ kg.m/s
c) magnitude of force experienced by Kara
I = F x t
I is impulse acting on the car
t is time
- 1.43 x 10⁴= F x 0.14
F = -1.021 x 10⁵ N
negative sign represents the direction of force