What is the absolute maximum value of the function f(x) = x³ - 2x +9 on the interval [-3, 3]?

Which of the following electrons, identified only by their n and l quantum numbers have the highest energy?

Can kinetic energy be negative

A body of mass 15 kg is pushed on a horizontal surface by applying a 100N horizontal force. Assuming the coefficient of friction to be 0.3, what is the acceleration of the body?

A 75N force is required to start a 25 kg block to move, and a 60N force is needed to keep the block moving on horizontal road. What is the static coefficient of friction and kinetic coefficient of friction respectively?

A normal force is always equal to the weight of the body.

What is the linear momentum of a 500 g ball moving at speed of 40 m/s?

The momentum of the system is conserved:

At what height from the ground will a 200 kg mass have a gravitational potential energy of 4000J?

Power is the ability to do work.

A 4 kg mass is moving on a smooth table with a speed of 20 m/s, and strikes a spring of force constant 100 N/m. What is the maximum compression of the spring?

If momentum of a body is numerically equal to its kinetic energy, then speed of the body is?

What is the coefficient of a²b⁴ in the expansion of (2a + b)⁶ ?

Three students are to be chosen from a class of 8 girls and 10 boys. What is the number of an event that three selected are two girls and one boy?

If a die is thrown, then S= {1, 2, 3, 4, 5, 6}. Let E be the event of getting number 8, then E is:

Which of the following is the same in all electromagnetic radiation?

If a die is rolled twice, then what is the probability of getting the sum greater than 9 or odd.

If 3 books are picked at random from a shelf containing 4 math books, 3 books of chemistry, and dictionary, what is the probability that the dictionary is selected?