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The Q value of the Na23 (n,α) F20 reaction is -5.4MeV. Determine the threshold energy of the neutrons for this reaction (22.9898u, 18.9964u, 4.0039u, 1.008665u are the masses of Na23, F20 α and n respectively).

Ques- Write a code in Netbeans Java that will ask for item code, Item name and price of 3 items and display all information of all items

Fetch substring from the given string and display the sub-string starting and ending position. Also, print the substring and its length


Runtime Input :


programming


program


Output :


0 6


Length is 7

Ques- create a SQL query .....on


Table : STUDENT



Admno 101 , 102 , 103 , 104 & 105



Name


Ayushi


heena


Jitender


meena



Marks


52, 95 , 89 , 65 ,98



1) Write a create table query


2) To displey al details of all students.


3) To dsplay al details in descending order of marks.


4) To display admno and name of all students whose name starts with 'A.


4 To display the maximum and minimum marks from the table students


5) To display al details of students whose marks are between 80 to 95 inclusive

def total_number_sequence(m, n):
    if m < n:
        return 0

    if n == 0:
        return 1

    res = (total_number_sequence(m - 1, n) +
           total_number_sequence(m // 2, n - 1))
    return res


if __name__ == '__main__':
    m = 10
    n = 100
    print('Total number of possible sequences:', total_number_sequence(m, n))

PROBLEM: 3N+1 sequence: determine which value(s) of N generate the longest sequence for the famous 3N+1 sequence. Refer to 8.5 in your runestone text for more details. Output the value(s) of N that generate the longest sequence. 

C version: use 100 as the value of N


Consider the following to help you better understand how to solve this problem. 

OUTPUT FORMAT:

C version - a single number



What is wrong with my code?


in an experiment to measure the height of a ceiling, a pendulum bob was suspended from the ceiling so that the initial height h of the bob from the floor was 20cm. at this height, the bob was displaced and set into oscillation. the time for 20 oscillations was determined and recorded, this was repeated once and the average time t for 20 oscillations and hence, the period of oscillation t was calculated. the experiment was repeated for different heights of the bob from the floor and in each case the corresponding values of h,t1 and t2 was recorded and shown below. h(cm)= 20.00, 40.00, 60.00, 80.00, 100.00. t1= 46.30, 41.85, 37.95, 33.20, 28.85. and t2= 46.00, 41.95, 38.00, 33.35, 28.95. draw a table showing the corresponding values of h, t, t and t²

1. A bulb drawn 0.4 A current from a 3 V battery in 6.5 minutes. Calculate the

(a) number of charge that flows in the circuit.

(b) resistance of the bulb filament.

(c) energy dissipated in the bulb.


What is wootz steel? How it is produced?

A green line of wavelength 435 nm is



observed in the emission spectrum of hydrogen. Calculate the energy of one



photon of this green light.

What is the kinetic energy of a


proton (proper mass is m0 = 1.67 x 10^-27 kg) travelling at 40 % of the speed


of light?

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