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. A 50 kg mass is sitting on a frictionless surface. An unknown constant force pushes the mass for
2 seconds until the mass reaches a velocity of 3 m/s
a. What is the initial momentum of the mass?
b. What is the final momentum of the mass?
c. What was the force acting on the mass?
d. What was the impulse acting on the mass?
Suppose an individual's marginal rate of substitution is three slices of
pizza for one beer at the present bundle of beer and pizza she is consuming. If
the price of beer is $1.00 and the price of a slice of pizza is $1.50, is the
consumer maximizing her welfare? If not, how should she change her
consumption?
write a python function Check_RollNo(A, n) (Refer RollNo_W8B_3.py ) which take a list A and nth roll number as input and return first nth roll number and Second roll number from the nth last roll number as shown in example. If nth roll number is not lies in the range of list, then function will return "n is not in range" in place of first roll number and empty string (“”) in place of second roll number
Let (X,d) be a metric space and consider the subset A ⊂ X and B ⊂ X . Show that the closure satisfies the following property closure( A ∪ B) =closure(A) ∪ closure(B)
Write a program to take a String as input then display the position of a particular character given as input using indexOf() function of String class. Don't use charAt() function.
Enter a String
Elephants are the largest mammals
Enter character to find: e
Index Position: 0 2 12 16 22
A 12N bag is hanging with a cord. How much is the least tension exerted by the cord to stay the bag at rest?
a. 1.2N c. 2.1N
b. 21.8N d. 12N
An elevator cab that weighs 27.8 kN moves upward. What is the tension in the cable if the cab’s speed is ___.
Find the mass of the elevator:
a. At rest
b. Uniform motion
a. Increasing at a rate of 1.2m/s2
b. Decreasing at the rate of 1.2m/s2
Create a class named 'Student' with a string variable 'name' and an integer variable 'roll_no'. Assign the value of roll_no as '20021' and that of name as "Sidra" by creating an object of the class Student.
1. A rock is dropped from a height of 1.6 meters. How fast is the rock falling just before it hits the ground?
What are the empirical and molecular formulas of a compound that is 40.27% potassium, 26.78% chromium, and 32.95% oxygen? The molar mass of the compound is 194.2 g/mol.
#339914 on Dec 2023