Maths Group11

The momentum of the system is conserved:

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

A normal force is always equal to the weight 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 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?

Can kinetic energy be negative

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

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

What is(are) the critical number of the function f(x) = x³- 12x +9?

Gass is being pumped in to spherical balloon at the rate of 3cm³/s. What is the rate at which the radius is changing at the instant when the radius is 6cm?

In a certain code language, HAND is written as SZMW, then what will be the code of MILK?

What day of the week was 1st January 1901?

If today is Saturday, what will be the day 350 days from now?

If the frist quartile of a data(Q1) = 3 and the third quartile (Q3) = 5, then what is the Quartile Deviation (QD) of the data?

If F(x) = f(2x + 2).g(1- x²) with f(2) = -3, f'(2) = 4, g(1) = -5 and g'(1) = 1 then what is the value of F'(0)?

If f(x) 3x³ - x +1 then f'(1) is equal to:

What is derivative of x² + 2x?

What are the two bones in the lower arm?

Which of the following disease is caused by Human papilloma virus(HPV)?

Musculoskeletal system composes of only skeletons.